Patent Application
Utility
App. No. 18/644,423
· Confirmation No. 3137
SURFACE-MODIFIED NANOPARTICLE COMPOSITIONS AND RELATED APPLICATIONS IN SUBTERRANEAN HYDROCARBON RECOVERY
Inventors:
Duy T. Nguyen, William T. Duttlinger JR., Rangarani Karnati, Zhengang Zong, Kai He, Linh Do
Applicant:
ChampionX LLC
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Code | Description | Pages | ||
|---|---|---|---|---|---|
| 2026-07-22 | NOA |
Notice of Allowance and Fees Due (PTOL-85) | 2 | View | |
| 2026-07-22 | ANE.I |
Amendment After Final or under 37CFR 1.312, initialed by the examiner. | 1 | View | |
| 2026-07-16 | IFEE |
Issue Fee Payment (PTO-85B) | 1 | View | |
| 2026-07-16 | N417 |
Electronic Filing System Acknowledgment Receipt | 2 | View | |
| 2026-07-16 | N417.PYMT |
Electronic Fee Payment | 2 | View | |
| 2026-07-15 | APP.TEXT |
Application body structured text document | — | View | |
| 2026-07-15 | A.NA |
Amendment after Notice of Allowance (Rule 312) | 1 | View | |
| 2026-07-15 | CLM |
Claims | 6 | View | |
| 2026-07-15 | REM |
Applicant Arguments/Remarks Made in an Amendment | 1 | View | |
| 2026-07-15 | N417 |
Electronic Filing System Acknowledgment Receipt | 2 | View | |
| 2026-04-17 | NOA |
Notice of Allowance and Fees Due (PTOL-85) | 5 | View | |
| 2026-04-17 | SRFW |
Search information including classification, databases and other search related notes | 2 | View | |
| 2026-04-17 | IIFW |
Issue Information including classification, examiner, name, claim, renumbering, etc. | 3 | View | |
| 2026-04-17 | ANE.I |
Amendment After Final or under 37CFR 1.312, initialed by the examiner. | 1 | View | |
| 2026-04-17 | BIB |
Bibliographic Data Sheet | 2 | View | |
| 2026-04-17 | SRNT |
Examiner's search strategy and results | 11 | View | |
| 2026-03-31 | A.NE |
Response After Final Action | — | View | |
| 2026-03-31 | A.NE |
Response After Final Action | 1 | View | |
| 2026-03-31 | CLM |
Claims | 6 | View | |
| 2026-03-31 | REM |
Applicant Arguments/Remarks Made in an Amendment | 9 | View | |
| 2026-03-31 | N417 |
Electronic Filing System Acknowledgment Receipt | 2 | View | |
| 2026-03-31 | WFEE |
Fee Worksheet (SB06) | 1 | View | |
| 2026-02-19 | CTFR |
Final Rejection | 34 | View | |
| 2026-02-19 | FWCLM |
Index of Claims | 1 | View | |
| 2026-02-19 | SRFW |
Search information including classification, databases and other search related notes | 2 | View | |
| 2026-02-19 | SRNT |
Examiner's search strategy and results | 10 | View | |
| 2026-01-23 | A... |
Amendment/Request for Reconsideration-After Non-Final Rejection | — | View | |
| 2026-01-23 | A... |
Amendment/Request for Reconsideration-After Non-Final Rejection | 1 | View | |
| 2026-01-23 | CLM |
Claims | 6 | View | |
| 2026-01-23 | REM |
Applicant Arguments/Remarks Made in an Amendment | 10 | View | |
| 2026-01-23 | N417 |
Electronic Filing System Acknowledgment Receipt | 2 | View | |
| 2026-01-23 | N417.PYMT |
Electronic Fee Payment | 2 | View | |
| 2026-01-23 | WFEE |
Fee Worksheet (SB06) | 1 | View | |
| 2025-10-24 | CTNF |
Non-Final Rejection | 31 | View | |
| 2025-10-24 | 892 |
List of references cited by examiner | 1 | View | |
| 2025-10-24 | SRFW |
Search information including classification, databases and other search related notes | 1 | View | |
| 2025-10-24 | FWCLM |
Index of Claims | 1 | View | |
| 2025-10-24 | SRNT |
Examiner's search strategy and results | 8 | View | |
| 2025-09-24 | RCEX |
Request for Continued Examination (RCE) | 3 | View | |
| 2025-09-24 | N417 |
Electronic Filing System Acknowledgment Receipt | 2 | View | |
| 2025-09-24 | N417.PYMT |
Electronic Fee Payment | 2 | View | |
| 2025-09-24 | WFEE |
Fee Worksheet (SB06) | 1 | View | |
| 2025-09-22 | CTAV |
Advisory Action (PTOL-303) | 2 | View | |
| 2025-09-22 | ANE.I |
Amendment After Final or under 37CFR 1.312, initialed by the examiner. | 1 | View | |
| 2025-09-11 | A.NE |
Response After Final Action | — | View | |
| 2025-09-11 | N417 |
Electronic Filing System Acknowledgment Receipt | 2 | View | |
| 2025-09-11 | A.NE |
Response After Final Action | 1 | View | |
| 2025-09-11 | CLM |
Claims | 5 | View | |
| 2025-09-11 | REM |
Applicant Arguments/Remarks Made in an Amendment | 12 | View | |
| 2025-09-11 | WFEE |
Fee Worksheet (SB06) | 1 | View | |
| 2025-09-11 | AMSB |
Amendment Submitted/Entered with Filing of Continued Prosecution Application (CPA)/Request for Continued Examination(RCE) | 1 | View | |
| 2025-07-11 | CTFR |
Final Rejection | 34 | View | |
| 2025-07-11 | 892 |
List of references cited by examiner | 1 | View | |
| 2025-07-11 | FWCLM |
Index of Claims | 1 | View | |
| 2025-07-11 | SRFW |
Search information including classification, databases and other search related notes | 1 | View | |
| 2025-07-11 | SRNT |
Examiner's search strategy and results | 7 | View | |
| 2025-06-30 | APP.TEXT |
Application body structured text document | — | View | |
| 2025-06-30 | A... |
Amendment/Request for Reconsideration-After Non-Final Rejection | 1 | View | |
| 2025-06-30 | CLM |
Claims | 6 | View | |
| 2025-06-30 | ABST |
Abstract | 1 | View | |
| 2025-06-30 | SPEC |
Specification | 1 | View | |
| 2025-06-30 | REM |
Applicant Arguments/Remarks Made in an Amendment | 15 | View | |
| 2025-06-30 | N417 |
Electronic Filing System Acknowledgment Receipt | 2 | View | |
| 2025-06-30 | N417.PYMT |
Electronic Fee Payment | 2 | View | |
| 2025-06-30 | WFEE |
Fee Worksheet (SB06) | 1 | View | |
| 2025-03-03 | CTNF |
Non-Final Rejection | 20 | View | |
| 2025-03-03 | 892 |
List of references cited by examiner | 1 | View | |
| 2025-03-03 | FWCLM |
Index of Claims | 1 | View | |
| 2025-03-03 | SRFW |
Search information including classification, databases and other search related notes | 1 | View | |
| 2025-03-03 | SRNT |
Examiner's search strategy and results | 6 | View | |
| 2025-03-03 | BIB |
Bibliographic Data Sheet | 1 | View | |
| 2025-03-03 | 1449 |
List of References cited by applicant and considered by examiner | 8 | View | |
| 2024-08-15 | NTC.PUB |
Notice of Publication | 1 | View | |
| 2024-05-07 | APP.FILE.REC |
Filing Receipt | 4 | View | |
| 2024-05-07 | WFEE |
Fee Worksheet (SB06) | 1 | View | |
| 2024-05-07 | WELCOME.LET |
Welcome Letter from USPTO Director and Deputy Director | 1 | View | |
| 2024-04-24 | APP.TEXT |
Application body structured text document | — | View | |
| 2024-04-24 | FOR |
Foreign Reference | 31 | View | |
| 2024-04-24 | OATH |
Oath or Declaration filed | 1 | View | |
| 2024-04-24 | OATH |
Oath or Declaration filed | 2 | View | |
| 2024-04-24 | OATH |
Oath or Declaration filed | 1 | View | |
| 2024-04-24 | DRW.NONBW |
Drawings-other than black and white line drawings | 1 | View | |
| 2024-04-24 | FOR |
Foreign Reference | 30 | View | |
| 2024-04-24 | FOR |
Foreign Reference | 51 | View | |
| 2024-04-24 | OATH |
Oath or Declaration filed | 1 | View | |
| 2024-04-24 | N417.PYMT |
Electronic Fee Payment | 2 | View | |
| 2024-04-24 | IDS |
Information Disclosure Statement (IDS) Form (SB08) | 8 | View | |
| 2024-04-24 | ABST |
Abstract | 1 | View | |
| 2024-04-24 | N417 |
Electronic Filing System Acknowledgment Receipt | 7 | View | |
| 2024-04-24 | OATH |
Oath or Declaration filed | 2 | View | |
| 2024-04-24 | REF.OTHER |
Other reference-Patent/Application/Search Documents | 7 | View | |
| 2024-04-24 | FOR |
Foreign Reference | 12 | View | |
| 2024-04-24 | REF.OTHER |
Other reference-Patent/Application/Search Documents | 5 | View | |
| 2024-04-24 | SPEC |
Specification | 32 | View | |
| 2024-04-24 | CLM |
Claims | 3 | View | |
| 2024-04-24 | ADS |
Application Data Sheet | 10 | View | |
| 2024-04-24 | OATH |
Oath or Declaration filed | 2 | View | |
| 2024-04-24 | FOR |
Foreign Reference | 20 | View | |
| 2024-04-24 | FOR |
Foreign Reference | 50 | View | |
| 2024-04-24 | FOR |
Foreign Reference | 38 | View | |
| 2024-04-24 | PA.. |
Power of Attorney | 3 | View | |
| 2024-04-24 | DRW.SUPP |
Drawings-black and white line and/or other drawings | — | View | |
| 2024-04-24 | DRW.SUPP |
Drawings-black and white line and/or other drawings | — | View | |
| 2024-04-24 | SCORE |
Placeholder sheet indicating presence of supplemental content in Supplemental Complex Repository for Examiners(SCORE) | 1 | View | |
| 2024-04-24 | SCORE |
Placeholder sheet indicating presence of supplemental content in Supplemental Complex Repository for Examiners(SCORE) | 1 | View |
Inventors
Duy T. Nguyen
Richmond, TX
William T. Duttlinger JR.
Houston, TX
Rangarani Karnati
Naperville, IL
Zhengang Zong
Aurora, IL
Kai He
Sugar Land, TX
Linh Do
Sugar Land, TX
Attorneys & Agents of Record
Classification
USPC
166/305.1
C09K8/03
C09K8/584
C09K8/58
C09K8/602
C09K8/665
C09K8/68
C09K8/70
C09K2208/10
E21B43/16
E21B43/26
Prosecution
- Examiner
- RUNYAN, SILVANA C
- Art Unit
- 1616
- Customer No.
- 189618
- Docket No.
- 20504.1106
- Confirmation No.
- 3137
Publication
- Pub. No.
- US20240271030A1
- Pub. Date
- 2024-08-15
Parent
is a Continuation of
→
App. 17/785,643
· US 11,999,900
Filed 2022-06-15
· Patented Case
Parent
PCT
is a National Stage Entry of
→
PCT/US2020/032848
Filed 2020-05-14
· Publications -- Issue Fee Payment Verified
Parent
Claims priority from a provisional application
→
App. 62/948,619
Filed 2019-12-16
· Provisional Application Expired
Child
is a Continuation of
→
App. 19/744,009
Filed 2026-07-16
· Docketed New Case - Ready for Examination
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Quick Facts
- App. No.
- 18/644,423
- Filed
- 2024-04-24
- Pub. No.
- US20240271030A1
- Examiner
- RUNYAN, SILVANA C
- Art Unit
- 1616
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