IP Library › Granted Patent US 12,338,391
Granted Patent Utility PCT National Stage Small
US 12,338,391 · Confirmation No. 6126

Microbial Surfactants to Prevent and/or Remove Asphaltene Deposits

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2026-07-28 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2026-07-28 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2026-07-09 PA.. Power of Attorney 2 View
2026-07-09 N417 Electronic Filing System Acknowledgment Receipt 2 View
2025-06-24 EGRANT.PDF Digitally signed official patent eGrant document — View
2025-06-24 EGRANT.NTF eGrant day-of Notification 2 View
2025-06-11 ISSUE.NTF Issue Notification 2 View
2025-05-20 IFEE Issue Fee Payment (PTO-85B) 1 View
2025-05-20 N417 Electronic Filing System Acknowledgment Receipt 2 View
2025-05-20 N417.PYMT Electronic Fee Payment 2 View
2025-03-03 NOA Notice of Allowance and Fees Due (PTOL-85) 4 View
2025-02-20 NOA Notice of Allowance and Fees Due (PTOL-85) 7 View
2025-02-20 IIFW Issue Information including classification, examiner, name, claim, renumbering, etc. 3 View
2025-02-20 SRFW Search information including classification, databases and other search related notes 2 View
2025-02-20 SRNT Examiner's search strategy and results 2 View
2025-02-20 BIB Bibliographic Data Sheet 1 View
2025-02-20 ANE.I Amendment After Final or under 37CFR 1.312, initialed by the examiner. 1 View
2025-01-29 WFEE Fee Worksheet (SB06) 1 View
2025-01-27 N417 Electronic Filing System Acknowledgment Receipt 2 View
2025-01-27 A.NE Response After Final Action 1 View
2025-01-27 CLM Claims 3 View
2025-01-27 REM Applicant Arguments/Remarks Made in an Amendment 2 View
2025-01-22 CTFR Final Rejection 8 View
2025-01-22 SRFW Search information including classification, databases and other search related notes 2 View
2025-01-22 SRNT Examiner's search strategy and results 2 View
2024-12-19 N417.PYMT Electronic Fee Payment 2 View
2024-12-19 N417 Electronic Filing System Acknowledgment Receipt 2 View
2024-12-19 A... Amendment/Request for Reconsideration-After Non-Final Rejection 1 View
2024-12-19 CLM Claims 4 View
2024-12-19 REM Applicant Arguments/Remarks Made in an Amendment 3 View
2024-12-19 WFEE Fee Worksheet (SB06) 1 View
2024-06-20 CTNF Non-Final Rejection 8 View
2024-06-20 SRFW Search information including classification, databases and other search related notes 2 View
2024-06-20 SRNT Examiner's search strategy and results 2 View
2024-02-27 N417 Electronic Filing System Acknowledgment Receipt 2 View
2024-02-27 RCEX Request for Continued Examination (RCE) 3 View
2024-02-27 N417.PYMT Electronic Fee Payment 2 View
2024-02-27 AMSB Amendment Submitted/Entered with Filing of Continued Prosecution Application (CPA)/Request for Continued Examination(RCE) 1 View
2024-02-27 CLM Claims 4 View
2024-02-27 REM Applicant Arguments/Remarks Made in an Amendment 3 View
2023-09-27 CTFR Final Rejection 9 View
2023-09-27 SRFW Search information including classification, databases and other search related notes 2 View
2023-09-27 SRNT Examiner's search strategy and results 1 View
2023-06-19 N417 Electronic Filing System Acknowledgment Receipt 2 View
2023-06-19 OATH Oath or Declaration filed 3 View
2023-06-16 N417 Electronic Filing System Acknowledgment Receipt 2 View
2023-06-16 A... Amendment/Request for Reconsideration-After Non-Final Rejection 1 View
2023-06-16 SPEC Specification 1 View
2023-06-16 CLM Claims 3 View
2023-06-16 REM Applicant Arguments/Remarks Made in an Amendment 3 View
2023-06-16 WFEE Fee Worksheet (SB06) 1 View
2023-03-23 NTC.PUB Notice of Publication 1 View
2023-03-16 CTNF Non-Final Rejection 13 View
2023-03-16 892 List of references cited by examiner 1 View
2023-03-16 SRFW Search information including classification, databases and other search related notes 1 View
2023-03-16 BIB Bibliographic Data Sheet 1 View
2023-03-16 SRNT Examiner's search strategy and results 14 View
2023-03-16 FOR Foreign Reference 42 View
2023-03-16 1449 List of References cited by applicant and considered by examiner 4 View
2023-01-26 APP.FILE.REC Filing Receipt 4 View
2023-01-26 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2023-01-22 PA.. Power of Attorney 2 View
2023-01-22 R3.73 Assignee showing of ownership per 37 CFR 3.73 20 View
2023-01-22 R46C.REQ Request under 37CFR1.46(c) to correct, update, change applicant 6 View
2023-01-22 ADS.CORR Application Data Sheet to update/correct info 9 View
2023-01-22 N417 Electronic Filing System Acknowledgment Receipt 3 View
2023-01-22 ADS Application Data Sheet 9 View
2023-01-22 PA.. Power of Attorney — View
2023-01-22 R46C.REQ Request under 37CFR1.46(c) to correct, update, change applicant — View
2022-12-13 WCLM Claims Worksheet (PTO-2022) 1 View
2022-12-13 WFEE Fee Worksheet (SB06) 1 View
2022-12-13 APP.FILE.REC Filing Receipt 4 View
2022-12-13 M903 Notice of Designated Office (DO) / Elected Office (EO) Acceptance Mailed 2 View
2022-05-05 IDS Information Disclosure Statement (IDS) Form (SB08) 4 View
2022-05-05 FOR Foreign Reference 66 View
2022-05-05 FOR Foreign Reference 34 View
2022-05-05 N417 Electronic Filing System Acknowledgment Receipt 2 View
2022-04-21 DRW Drawings-only black and white line drawings 6 View
2022-04-21 CLM Claims 3 View
2022-04-21 SPEC Specification 34 View
2022-04-21 FRPR Certified Copy of Foreign Priority Application 66 View
2022-04-21 ABST Abstract 1 View
2022-04-21 P.N.101.CONV PCT/RO/101 - Request form for new International Application - Conventional 5 View
2022-04-21 WFEE Fee Worksheet (SB06) 2 View
2022-04-21 N417 Electronic Filing System Acknowledgment Receipt 3 View
2022-04-21 ADS Application Data Sheet 9 View
2022-04-21 PA.. Power of Attorney 2 View
2022-04-21 371P Documents submitted with 371 (National Stage) Applications 46 View
2022-04-21 371P Documents submitted with 371 (National Stage) Applications 10 View
2022-04-21 A.PE Preliminary Amendment 1 View
2022-04-21 SPEC Specification 1 View
2022-04-21 REM Applicant Arguments/Remarks Made in an Amendment 1 View
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Quick Facts
Patent No.
US 12,338,391
App. No.
17/770,842
Filed
2022-04-21
Granted
2025-06-24
Pub. No.
US20230086243A1
Art Unit
1766
PTA
-152 days