COATING SYSTEM FOR CEMENT COMPOSITE ARTICLES

Inventors: Larry B. Brandenburger, T. Howard Killilea, Daniel W. DeChaine, Kevin W. Evanson

Abandoned -- Failure to Respond to an Office Action View Publication ↗

	Code	Description	Pages	PDF
2019-09-09	`ABN`	Abandonment	2	View
2019-06-13	`NTC.A.NONCPL`	Notice to the applicant regarding a non-compliant or non-responsive amendment	2	View
2019-02-27	`A...`	Amendment/Request for Reconsideration-After Non-Final Rejection	1	View
2019-02-27	`CLM`	Claims	4	View
2019-02-27	`REM`	Applicant Arguments/Remarks Made in an Amendment	2	View
2019-02-27	`WFEE`	Fee Worksheet (SB06)	2	View
2019-02-27	`N417`	Electronic Filing System Acknowledgment Receipt	3	View
2019-02-27	`WFEE`	Fee Worksheet (SB06)	1	View
2018-08-28	`CTNF`	Non-Final Rejection	12	View
2018-08-28	`FWCLM`	Index of Claims	1	View
2018-08-28	`SRFW`	Search information including classification, databases and other search related notes	2	View
2018-08-28	`SRNT`	Examiner's search strategy and results	31	View
2018-07-05	`WFEE`	Fee Worksheet (SB06)	1	View
2018-07-05	`RCEX`	Request for Continued Examination (RCE)	3	View
2018-07-05	`AMSB`	Amendment Submitted/Entered with Filing of Continued Prosecution Application (CPA)/Request for Continued Examination(RCE)	1	View
2018-07-05	`CLM`	Claims	4	View
2018-07-05	`REM`	Applicant Arguments/Remarks Made in an Amendment	2	View
2018-07-05	`WFEE`	Fee Worksheet (SB06)	2	View
2018-07-05	`N417`	Electronic Filing System Acknowledgment Receipt	3	View
2018-01-05	`SRFW`	Search information including classification, databases and other search related notes	2	View
2018-01-05	`FWCLM`	Index of Claims	1	View
2018-01-05	`SRNT`	Examiner's search strategy and results	31	View
2018-01-05	`CTFR`	Final Rejection	13	View
2017-10-02	`A...`	Amendment/Request for Reconsideration-After Non-Final Rejection	1	View
2017-10-02	`CLM`	Claims	4	View
2017-10-02	`REM`	Applicant Arguments/Remarks Made in an Amendment	2	View
2017-10-02	`WFEE`	Fee Worksheet (SB06)	2	View
2017-10-02	`N417`	Electronic Filing System Acknowledgment Receipt	3	View
2017-10-02	`WFEE`	Fee Worksheet (SB06)	1	View
2017-08-28	`N570`	Communication - Re: Power of Attorney (PTOL-308)	1	View
2017-08-28	`N570`	Communication - Re: Power of Attorney (PTOL-308)	1	View
2017-08-24	`PA..`	Power of Attorney	1	View
2017-08-24	`N417`	Electronic Filing System Acknowledgment Receipt	2	View
2017-08-24	`R3.73`	Assignee showing of ownership per 37 CFR 3.73	2	View
2017-06-05	`OATH`	Oath or Declaration filed	6	View
2017-03-30	`CTNF`	Non-Final Rejection	12	View
2017-03-30	`892`	List of references cited by examiner	1	View
2017-03-30	`FWCLM`	Index of Claims	1	View
2017-03-30	`SRNT`	Examiner's search strategy and results	30	View
2017-03-30	`SRFW`	Search information including classification, databases and other search related notes	2	View
2016-09-13	`RCEX`	Request for Continued Examination (RCE)	2	View
2016-09-13	`WFEE`	Fee Worksheet (SB06)	2	View
2016-09-13	`N417`	Electronic Filing System Acknowledgment Receipt	2	View
2016-09-13	`TRAN.LET`	Transmittal Letter	1	View
2016-09-13	`WFEE`	Fee Worksheet (SB06)	1	View
2016-09-02	`CTAV`	Advisory Action (PTOL-303)	4	View
2016-09-02	`ANE.I`	Amendment After Final or under 37CFR 1.312, initialed by the examiner.	1	View
2016-08-17	`AMSB`	Amendment Submitted/Entered with Filing of Continued Prosecution Application (CPA)/Request for Continued Examination(RCE)	1	View
2016-08-17	`CLM`	Claims	3	View
2016-08-17	`REM`	Applicant Arguments/Remarks Made in an Amendment	3	View
2016-08-17	`N417`	Electronic Filing System Acknowledgment Receipt	2	View
2016-08-17	`TRAN.LET`	Transmittal Letter	1	View
2016-08-17	`WFEE`	Fee Worksheet (SB06)	1	View
2016-06-14	`CTFR`	Final Rejection	18	View
2016-06-14	`892`	List of references cited by examiner	1	View
2016-06-14	`FOR`	Foreign Reference	28	View
2016-06-14	`SRNT`	Examiner's search strategy and results	28	View
2016-06-14	`FWCLM`	Index of Claims	1	View
2016-06-14	`SRFW`	Search information including classification, databases and other search related notes	2	View
2016-06-14	`1449`	List of References cited by applicant and considered by examiner	1	View
2016-03-03	`A...`	Amendment/Request for Reconsideration-After Non-Final Rejection	1	View
2016-03-03	`CLM`	Claims	3	View
2016-03-03	`REM`	Applicant Arguments/Remarks Made in an Amendment	5	View
2016-03-03	`AF/D.132`	Affidavit-traversing rejections or objections rule 132	2	View
2016-03-03	`AF/D.132`	Affidavit-traversing rejections or objections rule 132	2	View
2016-03-03	`TRAN.LET`	Transmittal Letter	2	View
2016-03-03	`IDS`	Information Disclosure Statement (IDS) Form (SB08)	1	View
2016-03-03	`WFEE`	Fee Worksheet (SB06)	2	View
2016-03-03	`N417`	Electronic Filing System Acknowledgment Receipt	3	View
2016-03-03	`TRAN.LET`	Transmittal Letter	1	View
2016-03-03	`WFEE`	Fee Worksheet (SB06)	1	View
2015-12-03	`CTNF`	Non-Final Rejection	18	View
2015-12-03	`892`	List of references cited by examiner	1	View
2015-12-03	`1449`	List of References cited by applicant and considered by examiner	1	View
2015-12-03	`FWCLM`	Index of Claims	1	View
2015-12-03	`SRNT`	Examiner's search strategy and results	26	View
2015-12-03	`FOR`	Foreign Reference	23	View
2015-12-03	`SRFW`	Search information including classification, databases and other search related notes	2	View
2015-10-12	`IDS`	Information Disclosure Statement (IDS) Form (SB08)	1	View
2015-10-12	`FOR`	Foreign Reference	11	View
2015-10-12	`N417`	Electronic Filing System Acknowledgment Receipt	2	View
2015-10-12	`TRAN.LET`	Transmittal Letter	1	View
2015-10-12	`TRAN.LET`	Transmittal Letter	2	View
2015-07-29	`DIST.E.FILE`	Terminal Disclaimer-Filed (Electronic)	3	View
2015-07-29	`WFEE`	Fee Worksheet (SB06)	2	View
2015-07-29	`DISQ.E.FILE`	Terminal Disclaimer-Electronic-Approved	1	View
2015-07-29	`N417`	Electronic Filing System Acknowledgment Receipt	2	View
2015-07-29	`RCEX`	Request for Continued Examination (RCE)	2	View
2015-07-29	`AMSB`	Amendment Submitted/Entered with Filing of Continued Prosecution Application (CPA)/Request for Continued Examination(RCE)	1	View
2015-07-29	`CLM`	Claims	3	View
2015-07-29	`REM`	Applicant Arguments/Remarks Made in an Amendment	3	View
2015-07-29	`WFEE`	Fee Worksheet (SB06)	2	View
2015-07-29	`N417`	Electronic Filing System Acknowledgment Receipt	3	View
2015-07-29	`TRAN.LET`	Transmittal Letter	1	View
2015-07-29	`WFEE`	Fee Worksheet (SB06)	1	View
2015-06-04	`CTAV`	Advisory Action (PTOL-303)	5	View
2015-06-04	`INTV.SUM.APP`	Applicant Initiated Interview Summary (PTOL-413)	2	View
2015-06-04	`892`	List of references cited by examiner	1	View
2015-06-04	`FOR`	Foreign Reference	23	View
2015-06-04	`ANE.I`	Amendment After Final or under 37CFR 1.312, initialed by the examiner.	1	View
2015-06-04	`A.NE.AFCP.D`	After Final Consideration Program Decision	1	View
2015-05-21	`A.NE`	Response After Final Action	1	View
2015-05-21	`CLM`	Claims	4	View
2015-05-21	`REM`	Applicant Arguments/Remarks Made in an Amendment	5	View
2015-05-21	`A.NE.AFCP`	After Final Consideration Program Request	1	View
2015-05-21	`N417`	Electronic Filing System Acknowledgment Receipt	2	View
2015-05-21	`TRAN.LET`	Transmittal Letter	1	View
2015-05-21	`WFEE`	Fee Worksheet (SB06)	1	View
2015-05-04	`CTFR`	Final Rejection	17	View
2015-05-04	`1449`	List of References cited by applicant and considered by examiner	1	View
2015-05-04	`FWCLM`	Index of Claims	1	View
2015-05-04	`SRFW`	Search information including classification, databases and other search related notes	1	View
2015-05-04	`SRNT`	Examiner's search strategy and results	15	View
2015-01-19	`A...`	Amendment/Request for Reconsideration-After Non-Final Rejection	1	View
2015-01-19	`CLM`	Claims	3	View
2015-01-19	`REM`	Applicant Arguments/Remarks Made in an Amendment	4	View
2015-01-19	`AF/D.132`	Affidavit-traversing rejections or objections rule 132	7	View
2015-01-19	`TRAN.LET`	Transmittal Letter	2	View
2015-01-19	`IDS`	Information Disclosure Statement (IDS) Form (SB08)	1	View
2015-01-19	`WFEE`	Fee Worksheet (SB06)	2	View
2015-01-19	`N417`	Electronic Filing System Acknowledgment Receipt	3	View
2015-01-19	`TRAN.LET`	Transmittal Letter	1	View
2015-01-19	`WFEE`	Fee Worksheet (SB06)	1	View
2014-12-23	`INTV.SUM.APP`	Applicant Initiated Interview Summary (PTOL-413)	4	View
2014-10-24	`CTNF`	Non-Final Rejection	15	View
2014-10-24	`892`	List of references cited by examiner	1	View
2014-10-24	`1449`	List of References cited by applicant and considered by examiner	2	View
2014-10-24	`1449`	List of References cited by applicant and considered by examiner	1	View
2014-10-24	`SRFW`	Search information including classification, databases and other search related notes	1	View
2014-10-24	`FWCLM`	Index of Claims	1	View
2014-10-24	`SRNT`	Examiner's search strategy and results	14	View
2014-09-17	`ELC.`	Response to Election / Restriction Filed	1	View
2014-09-17	`SPEC`	Specification	1	View
2014-09-17	`CLM`	Claims	3	View
2014-09-17	`REM`	Applicant Arguments/Remarks Made in an Amendment	2	View
2014-09-17	`N417`	Electronic Filing System Acknowledgment Receipt	2	View
2014-09-17	`TRAN.LET`	Transmittal Letter	1	View
2014-07-18	`CTRS`	Requirement for Restriction/Election	7	View
2014-07-18	`INTV.SUM.EX`	Examiner initiated interview summary (PTOL-413B)	1	View
2014-05-07	`IDS`	Information Disclosure Statement (IDS) Form (SB08)	2	View
2014-05-07	`FOR`	Foreign Reference	12	View
2014-05-07	`N417`	Electronic Filing System Acknowledgment Receipt	4	View
2014-05-07	`TRAN.LET`	Transmittal Letter	1	View
2014-05-07	`TRAN.LET`	Transmittal Letter	2	View
2013-02-07	`RCEX`	Request for Continued Examination (RCE)	3	View
2013-02-07	`AMSB`	Amendment Submitted/Entered with Filing of Continued Prosecution Application (CPA)/Request for Continued Examination(RCE)	1	View
2013-02-07	`CLM`	Claims	3	View
2013-02-07	`REM`	Applicant Arguments/Remarks Made in an Amendment	4	View
2013-02-07	`TRAN.LET`	Transmittal Letter	2	View
2013-02-07	`IDS`	Information Disclosure Statement (IDS) Form (SB08)	1	View
2013-02-07	`FOR`	Foreign Reference	10	View
2013-02-07	`WFEE`	Fee Worksheet (SB06)	2	View
2013-02-07	`N417`	Electronic Filing System Acknowledgment Receipt	3	View
2013-02-07	`TRAN.LET`	Transmittal Letter	1	View
2013-02-07	`INTRVIEW.APP`	Applicant summary of interview with examiner	1	View
2013-02-07	`N417`	Electronic Filing System Acknowledgment Receipt	2	View
2013-02-07	`TRAN.LET`	Transmittal Letter	1	View
2013-02-07	`WFEE`	Fee Worksheet (SB06)	1	View
2013-01-09	`INTV.SUM.APP`	Applicant Initiated Interview Summary (PTOL-413)	3	View
2013-01-09	`ANE.I`	Amendment After Final or under 37CFR 1.312, initialed by the examiner.	9	View
2012-11-07	`CTFR`	Final Rejection	15	View
2012-11-07	`SRFW`	Search information including classification, databases and other search related notes	1	View
2012-11-07	`1449`	List of References cited by applicant and considered by examiner	1	View
2012-11-07	`SRNT`	Examiner's search strategy and results	10	View
2012-11-07	`FWCLM`	Index of Claims	1	View
2012-08-23	`A...`	Amendment/Request for Reconsideration-After Non-Final Rejection	1	View
2012-08-23	`CLM`	Claims	3	View
2012-08-23	`REM`	Applicant Arguments/Remarks Made in an Amendment	4	View
2012-08-23	`TRAN.LET`	Transmittal Letter	2	View
2012-08-23	`IDS`	Information Disclosure Statement (IDS) Form (SB08)	1	View
2012-08-23	`WFEE`	Fee Worksheet (SB06)	2	View
2012-08-23	`N417`	Electronic Filing System Acknowledgment Receipt	3	View
2012-08-23	`TRAN.LET`	Transmittal Letter	1	View
2012-08-23	`WFEE`	Fee Worksheet (SB06)	1	View
2012-05-23	`CTNF`	Non-Final Rejection	17	View
2012-05-23	`892`	List of references cited by examiner	1	View
2012-05-23	`SRNT`	Examiner's search strategy and results	10	View
2012-05-23	`1449`	List of References cited by applicant and considered by examiner	9	View
2012-05-23	`FWCLM`	Index of Claims	1	View
2012-05-23	`SRFW`	Search information including classification, databases and other search related notes	1	View
2012-05-23	`1449`	List of References cited by applicant and considered by examiner	1	View
2012-05-23	`1449`	List of References cited by applicant and considered by examiner	6	View
2012-05-23	`BIB`	Bibliographic Data Sheet	1	View
2012-05-02	`IDS`	Information Disclosure Statement (IDS) Form (SB08)	1	View
2012-05-02	`FOR`	Foreign Reference	27	View
2012-05-02	`N417`	Electronic Filing System Acknowledgment Receipt	2	View
2012-05-02	`TRAN.LET`	Transmittal Letter	1	View
2012-05-02	`TRAN.LET`	Transmittal Letter	2	View
2012-04-30	`IDS`	Information Disclosure Statement (IDS) Form (SB08)	6	View
2012-04-30	`TRAN.LET`	Transmittal Letter	2	View
2012-04-30	`FOR`	Foreign Reference	29	View
2012-04-30	`N417`	Electronic Filing System Acknowledgment Receipt	6	View
2012-04-30	`TRAN.LET`	Transmittal Letter	1	View
2012-04-30	`FOR`	Foreign Reference	19	View
2012-04-30	`FOR`	Foreign Reference	10	View
2012-04-30	`FOR`	Foreign Reference	27	View
2012-04-30	`FOR`	Foreign Reference	12	View
2012-04-30	`FOR`	Foreign Reference	21	View
2012-04-30	`FOR`	Foreign Reference	19	View
2012-04-30	`FOR`	Foreign Reference	22	View
2012-04-30	`FOR`	Foreign Reference	10	View
2012-04-30	`FOR`	Foreign Reference	10	View
2012-04-30	`FOR`	Foreign Reference	17	View
2012-04-30	`FOR`	Foreign Reference	23	View
2012-04-30	`FOR`	Foreign Reference	6	View
2012-04-30	`FOR`	Foreign Reference	35	View
2012-04-30	`FOR`	Foreign Reference	24	View
2012-04-30	`FOR`	Foreign Reference	18	View
2012-04-30	`FOR`	Foreign Reference	22	View
2012-04-30	`FOR`	Foreign Reference	12	View
2012-04-30	`FOR`	Foreign Reference	13	View
2012-04-30	`FOR`	Foreign Reference	39	View
2012-04-30	`FOR`	Foreign Reference	39	View
2012-04-30	`FOR`	Foreign Reference	1	View
2010-08-26	`NTC.PUB`	Notice of Publication	1	View
2010-05-19	`M903`	Notice of Designated Office (DO) / Elected Office (EO) Acceptance Mailed	1	View
2010-05-19	`APP.FILE.REC`	Filing Receipt	3	View
2010-05-12	`TRAN.LET`	Transmittal Letter	1	View
2010-05-12	`PEFR`	Applicant Response to Pre-Exam Formalities Notice	3	View
2010-05-12	`OATH`	Oath or Declaration filed	4	View
2010-05-12	`WFEE`	Fee Worksheet (SB06)	2	View
2010-05-12	`N417`	Electronic Filing System Acknowledgment Receipt	2	View
2010-05-03	`M905`	Notice of DO/EO Missing Requirements Mailed	2	View
2010-04-29	`IDS`	Information Disclosure Statement (IDS) Form (SB08)	9	View
2010-04-29	`FOR`	Foreign Reference	16	View
2010-04-29	`FOR`	Foreign Reference	28	View
2010-04-29	`FOR`	Foreign Reference	14	View
2010-04-29	`FOR`	Foreign Reference	16	View
2010-04-29	`FOR`	Foreign Reference	31	View
2010-04-29	`FOR`	Foreign Reference	18	View
2010-04-29	`FOR`	Foreign Reference	14	View
2010-04-29	`FOR`	Foreign Reference	20	View
2010-04-29	`FOR`	Foreign Reference	28	View
2010-04-29	`FOR`	Foreign Reference	34	View
2010-04-29	`FOR`	Foreign Reference	11	View
2010-04-29	`FOR`	Foreign Reference	13	View
2010-04-29	`FOR`	Foreign Reference	14	View
2010-04-29	`FOR`	Foreign Reference	3	View
2010-04-29	`FOR`	Foreign Reference	1	View
2010-04-29	`FOR`	Foreign Reference	9	View
2010-04-29	`FOR`	Foreign Reference	1	View
2010-04-29	`FOR`	Foreign Reference	2	View
2010-04-29	`FOR`	Foreign Reference	23	View
2010-04-29	`FOR`	Foreign Reference	7	View
2010-04-29	`FOR`	Foreign Reference	26	View
2010-04-29	`FOR`	Foreign Reference	14	View
2010-04-29	`FOR`	Foreign Reference	2	View
2010-04-29	`FOR`	Foreign Reference	1	View
2010-04-29	`FOR`	Foreign Reference	2	View
2010-04-29	`FOR`	Foreign Reference	20	View
2010-04-29	`FOR`	Foreign Reference	45	View
2010-04-29	`FOR`	Foreign Reference	42	View
2010-04-29	`FOR`	Foreign Reference	35	View
2010-04-29	`FOR`	Foreign Reference	36	View
2010-04-29	`FOR`	Foreign Reference	35	View
2010-04-29	`FOR`	Foreign Reference	36	View
2010-04-29	`FOR`	Foreign Reference	47	View
2010-04-29	`FOR`	Foreign Reference	27	View
2010-04-29	`FOR`	Foreign Reference	25	View
2010-04-29	`FOR`	Foreign Reference	35	View
2010-04-29	`FOR`	Foreign Reference	51	View
2010-04-29	`FOR`	Foreign Reference	38	View
2010-04-29	`FOR`	Foreign Reference	47	View
2010-04-29	`FOR`	Foreign Reference	39	View
2010-04-29	`FOR`	Foreign Reference	20	View
2010-04-29	`FOR`	Foreign Reference	34	View
2010-04-29	`FOR`	Foreign Reference	23	View
2010-04-29	`N417`	Electronic Filing System Acknowledgment Receipt	8	View
2010-04-29	`TRAN.LET`	Transmittal Letter	1	View
2010-04-29	`TRAN.LET`	Transmittal Letter	2	View
2010-04-29	`TRAN.LET`	Transmittal Letter	1	View
2010-04-29	`N417`	Electronic Filing System Acknowledgment Receipt	3	View
2010-01-29	`TRNA`	Transmittal of New Application	1	View
2010-01-29	`TRNA`	Transmittal of New Application	3	View
2010-01-29	`DRW`	Drawings-only black and white line drawings	1	View
2010-01-29	`371P`	Documents submitted with 371 (National Stage) Applications	38	View
2010-01-29	`OATH`	Oath or Declaration filed	4	View
2010-01-29	`ADS`	Application Data Sheet	4	View
2010-01-29	`SPEC`	Specification	29	View
2010-01-29	`CLM`	Claims	3	View
2010-01-29	`ABST`	Abstract	1	View
2010-01-29	`WFEE`	Fee Worksheet (SB06)	2	View
2010-01-29	`N417`	Electronic Filing System Acknowledgment Receipt	3	View
2010-01-29	`136A`	Authorization for Extension of Time all replies	3	View
2010-01-29	`ABST`	Abstract	1	View
2010-01-29	`SPEC`	Specification	27	View
2010-01-29	`CLM`	Claims	6	View
2010-01-29	`DRW`	Drawings-only black and white line drawings	1	View
2010-01-29	`P.409.IN`	Incoming IPEA/409 - International Preliminary Report on Patentability	5	View
2010-01-29	`P.409.IN`	Incoming IPEA/409 - International Preliminary Report on Patentability	14	View
2010-01-29	`WFEE`	Fee Worksheet (SB06)	1	View
2010-01-29	`WCLM`	Claims Worksheet (PTO-2022)	1	View

Inventors

Larry B. Brandenburger Circle Pines, MN

T. Howard Killilea North Oaks, MN

Daniel W. DeChaine Anoka, MN

Kevin W. Evanson maple Grove, MN

Attorneys & Agents of Record

CHRISTOPHER ANDRZEJAK Reg. 57212 Attorney · INGRASSIA FISHER & LORENZ

DEBORAH HENSCHEID Reg. 35940 Attorney · LORENZ & KOPF, LLP

MARK TAKAHASHI Reg. 38631 Attorney · LORENZ & KOPF, LLC

THOMAS VESBIT Reg. 50562 Attorney · INGRASSIA, FISHER, & LORENZ P.C.

DAVID MCCLAUGHRY Reg. 37885 Attorney · INGRASSIA FISHER & LORENZ PC

MARK SWANSON Reg. 60486 Attorney · LORENZ & KOP

SETH RODACK Reg. 45622 Attorney · LORENZ & KOPF, LLP

TIMOTHY LORENZ Reg. 41954 Attorney · LORENZ & KOPF, LLP

MICHAEL MCKEE Reg. 65858 Attorney · LORENZ & KOPF, LLP

PAUL AMROZOWICZ Reg. 45264 Attorney · INGRASSIA, FISHER AND LORENZ, P.C.

MARILYN BROMELS Reg. 35080 Attorney

SEAN JOHNSON Reg. 56383 Attorney · INGRASSIA FISHER & LORENZ, P.C.

JAMES DELANEY Reg. 45578 Attorney · LORENZ & KOPF, LLP

JAMES WALTERS Reg. 61523 Attorney · LORENZ & KOPF, LLP

THOMAS BERRY Reg. 31736 Attorney

JOEL BOOTZIN Reg. 42343 Attorney · ESSENTIAL PATENTS GROUP, LLP

ALICIA PLYMPTON Reg. 79664 Attorney · LORENZ & KOPF, LLP

DAVID MIXON Reg. 43809 Attorney · BRADLEY ARANT ROSSE AND WHITE, LLP

FLOYD FEELING Reg. 40602 Attorney · LORENZ & KOPF, LLP

JOHN BIERNACKI Reg. 40511 Attorney · LORENZ & KOPF, LLP

CARY BROOKS Reg. 33361 Attorney · BROOKSGROUP

Classification

USPC 428/411.1

C04B41/483 Y10T428/31663 Y10T428/31667 C04B41/009 C04B41/52 C04B41/63 C04B41/71 C04B41/0045 C04B41/4838 C04B2103/0046 C04B41/4826 C04B20/0048 C04B28/02

Prosecution