IP Library Patent Application 17726913
Patent Application Utility
App. No. 17/726,913 · Confirmation No. 8633

System and Method of Increasing Methane Production in Anaerobic Digesters

Applicant: NCH Corporation
Docketed New Case - Ready for Examination View Publication ↗
⬇ PDF
Code Description Pages PDF
2026-05-29 XT/ Extension of Time 2 View
2026-05-29 REM Applicant Arguments/Remarks Made in an Amendment 11 View
2026-05-29 RCEX Request for Continued Examination (RCE) 3 View
2026-05-29 N417 Electronic Filing System Acknowledgment Receipt 2 View
2026-05-29 N417.PYMT Electronic Fee Payment 2 View
2026-05-29 WFEE Fee Worksheet (SB06) 1 View
2026-02-19 CTFR Final Rejection 16 View
2026-02-19 SRFW Search information including classification, databases and other search related notes 1 View
2026-02-19 SRNT Examiner's search strategy and results 5 View
2026-02-19 SRNT Examiner's search strategy and results 1 View
2026-02-19 1449 List of References cited by applicant and considered by examiner 5 View
2026-01-23 IDS Information Disclosure Statement (IDS) Form (SB08) 5 View
2026-01-23 N417 Electronic Filing System Acknowledgment Receipt 2 View
2026-01-23 N417.PYMT Electronic Fee Payment 2 View
2025-12-16 XT/ Extension of Time 2 View
2025-12-16 N417 Electronic Filing System Acknowledgment Receipt 2 View
2025-12-16 N417.PYMT Electronic Fee Payment 2 View
2025-12-16 A... Amendment/Request for Reconsideration-After Non-Final Rejection 1 View
2025-12-16 CLM Claims 6 View
2025-12-16 REM Applicant Arguments/Remarks Made in an Amendment 6 View
2025-12-16 WFEE Fee Worksheet (SB06) 1 View
2025-08-28 CTNF Non-Final Rejection 21 View
2025-08-28 SRFW Search information including classification, databases and other search related notes 1 View
2025-08-28 SRNT Examiner's search strategy and results 5 View
2025-03-25 N417.PYMT Electronic Fee Payment 2 View
2025-03-25 RCEX Request for Continued Examination (RCE) 3 View
2025-03-25 N417 Electronic Filing System Acknowledgment Receipt 2 View
2025-03-25 XT/ Extension of Time 2 View
2025-03-25 REF.OTHER Other reference-Patent/Application/Search Documents 33 View
2025-03-25 REF.OTHER Other reference-Patent/Application/Search Documents 78 View
2025-03-25 AMSB Amendment Submitted/Entered with Filing of Continued Prosecution Application (CPA)/Request for Continued Examination(RCE) 1 View
2025-03-25 CLM Claims 11 View
2025-03-25 REM Applicant Arguments/Remarks Made in an Amendment 23 View
2024-09-25 CTFR Final Rejection 19 View
2024-09-25 SRFW Search information including classification, databases and other search related notes 1 View
2024-09-25 SRNT Examiner's search strategy and results 1 View
2024-09-25 SRNT Examiner's search strategy and results 1 View
2024-08-27 APP.TEXT Application body structured text document View
2024-08-27 A... Amendment/Request for Reconsideration-After Non-Final Rejection 1 View
2024-08-27 CLM Claims 13 View
2024-08-27 REM Applicant Arguments/Remarks Made in an Amendment 15 View
2024-08-27 N417 Electronic Filing System Acknowledgment Receipt 2 View
2024-08-27 N417.PYMT Electronic Fee Payment 2 View
2024-08-27 XT/ Extension of Time 2 View
2024-08-27 REF.OTHER Other reference-Patent/Application/Search Documents 4 View
2024-03-01 CTNF Non-Final Rejection 25 View
2024-03-01 SRFW Search information including classification, databases and other search related notes 1 View
2024-03-01 SRNT Examiner's search strategy and results 2 View
2024-03-01 SRNT Examiner's search strategy and results 1 View
2023-09-01 WFEE Fee Worksheet (SB06) 1 View
2023-08-30 RCEX Request for Continued Examination (RCE) 3 View
2023-08-30 N417.PYMT Electronic Fee Payment 2 View
2023-08-30 PREX.SUP.DOC Examination support document 3 View
2023-08-30 PREX.SUP.DOC Examination support document 30 View
2023-08-30 PREX.SUP.DOC Examination support document 132 View
2023-08-30 PREX.SUP.DOC Examination support document 5 View
2023-08-30 PREX.SUP.DOC Examination support document 77 View
2023-08-30 N417 Electronic Filing System Acknowledgment Receipt 3 View
2023-08-30 PREX.SUP.DOC Examination support document 6 View
2023-08-30 PREX.SUP.DOC Examination support document 2 View
2023-08-30 AMSB Amendment Submitted/Entered with Filing of Continued Prosecution Application (CPA)/Request for Continued Examination(RCE) 1 View
2023-08-30 CLM Claims 11 View
2023-08-30 REM Applicant Arguments/Remarks Made in an Amendment 14 View
2023-06-12 CTFR Final Rejection 15 View
2023-06-12 892 List of references cited by examiner 1 View
2023-06-12 SRFW Search information including classification, databases and other search related notes 1 View
2023-06-12 SRNT Examiner's search strategy and results 2 View
2023-06-12 SRNT Examiner's search strategy and results 1 View
2023-05-09 REF.OTHER Other reference-Patent/Application/Search Documents 77 View
2023-05-09 REF.OTHER Other reference-Patent/Application/Search Documents 11 View
2023-05-09 REF.OTHER Other reference-Patent/Application/Search Documents 27 View
2023-05-09 WFEE Fee Worksheet (SB06) 2 View
2023-05-09 N417 Electronic Filing System Acknowledgment Receipt 3 View
2023-05-09 A... Amendment/Request for Reconsideration-After Non-Final Rejection 1 View
2023-05-09 SPEC Specification 1 View
2023-05-09 CLM Claims 7 View
2023-05-09 REM Applicant Arguments/Remarks Made in an Amendment 9 View
2023-05-09 WFEE Fee Worksheet (SB06) 1 View
2023-02-09 CTNF Non-Final Rejection 15 View
2023-02-09 892 List of references cited by examiner 1 View
2023-02-09 SRFW Search information including classification, databases and other search related notes 1 View
2023-02-09 1449 List of References cited by applicant and considered by examiner 5 View
2023-02-09 SRNT Examiner's search strategy and results 1 View
2023-02-09 1449 List of References cited by applicant and considered by examiner 10 View
2023-02-09 1449 List of References cited by applicant and considered by examiner 4 View
2023-02-09 SRNT Examiner's search strategy and results 2 View
2023-02-09 SRNT Examiner's search strategy and results 3 View
2023-01-23 PPH.DECISION Patent Prosecution Highway decision on request/petition to make special 3 View
2023-01-18 PPH.PET.652 Petition to make Special under Patent Prosecution Highway 1 View
2023-01-18 PPH.PET.652 Petition to make Special under Patent Prosecution Highway 1 View
2023-01-18 N417 Electronic Filing System Acknowledgment Receipt 2 View
2022-12-14 IDS Information Disclosure Statement (IDS) Form (SB08) 4 View
2022-12-14 N417 Electronic Filing System Acknowledgment Receipt 2 View
2022-12-14 PPH.PET.652 Petition to make Special under Patent Prosecution Highway 2 View
2022-12-14 N417 Electronic Filing System Acknowledgment Receipt 2 View
2022-11-23 PPH.DECISION Patent Prosecution Highway decision on request/petition to make special 3 View
2022-10-27 NTC.PUB Notice of Publication 1 View
2022-10-05 PPH.PET.652 Petition to make Special under Patent Prosecution Highway 3 View
2022-10-05 REF.OTHER Other reference-Patent/Application/Search Documents 9 View
2022-10-05 N417 Electronic Filing System Acknowledgment Receipt 2 View
2022-10-05 A.PE Preliminary Amendment 1 View
2022-10-05 CLM Claims 5 View
2022-10-05 REM Applicant Arguments/Remarks Made in an Amendment 1 View
2022-10-05 WFEE Fee Worksheet (SB06) 1 View
2022-09-13 IDS Information Disclosure Statement (IDS) Form (SB08) 10 View
2022-09-13 FOR Foreign Reference 59 View
2022-09-13 FOR Foreign Reference 42 View
2022-09-13 FOR Foreign Reference 33 View
2022-09-13 FOR Foreign Reference 42 View
2022-09-13 FOR Foreign Reference 20 View
2022-09-13 FOR Foreign Reference 80 View
2022-09-13 FOR Foreign Reference 468 View
2022-09-13 FOR Foreign Reference 499 View
2022-09-13 FOR Foreign Reference 48 View
2022-09-13 N417 Electronic Filing System Acknowledgment Receipt 5 View
2022-09-13 N417 Electronic Filing System Acknowledgment Receipt 3 View
2022-09-09 IDS Information Disclosure Statement (IDS) Form (SB08) 5 View
2022-09-09 FOR Foreign Reference 14 View
2022-09-09 FOR Foreign Reference 10 View
2022-09-09 FOR Foreign Reference 37 View
2022-09-09 FOR Foreign Reference 180 View
2022-09-09 FOR Foreign Reference 24 View
2022-09-09 FOR Foreign Reference 80 View
2022-09-09 FOR Foreign Reference 47 View
2022-09-09 N417 Electronic Filing System Acknowledgment Receipt 5 View
2022-06-13 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2022-06-08 N417 Electronic Filing System Acknowledgment Receipt 2 View
2022-06-08 PA.. Power of Attorney 1 View
2022-06-08 R3.73 Assignee showing of ownership per 37 CFR 3.73 3 View
2022-06-08 OATH Oath or Declaration filed 3 View
2022-06-08 N417 Electronic Filing System Acknowledgment Receipt 2 View
2022-04-29 WFEE Fee Worksheet (SB06) 1 View
2022-04-29 M327 Miscellaneous Communication to Applicant - No Action Count 1 View
2022-04-29 APP.FILE.REC Filing Receipt 3 View
2022-04-22 ADS Application Data Sheet 9 View
2022-04-22 WFEE Fee Worksheet (SB06) 2 View
2022-04-22 N417 Electronic Filing System Acknowledgment Receipt 2 View
2022-04-22 SPEC Specification 24 View
2022-04-22 CLM Claims 4 View
2022-04-22 ABST Abstract 1 View
Monitor This Case
Get email alerts when status or documents change.
Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this application's details
Quick Facts
App. No.
17/726,913
Filed
2022-04-22
Pub. No.
US20220340464A1
Art Unit
1653