IP Library › Granted Patent US 6,831,042
Granted Patent Utility
US 6,831,042 · Confirmation No. 4752

USE OF ANIONIC DISPERSION POLYMERS AS VISCOSITY MODIFIERS IN AQUEOUS DRILLING FLUIDS

Patented Case View Patent ↗ View Publication ↗
⬇ PDF
 Code Description Pages PDF
2005-09-12 EBCC.AD Notice of Change of Address Place in File Wrapper Due to Electronic Business Center(EBC) Customer Number Update 1 View
2004-09-23 IFEE Issue Fee Payment (PTO-85B) 1 View
2004-09-09 NOA Notice of Allowance and Fees Due (PTOL-85) 4 View
2004-09-09 NOA Notice of Allowance and Fees Due (PTOL-85) 3 View
2004-09-09 ANE.I Amendment After Final or under 37CFR 1.312, initialed by the examiner. 1 View
2004-09-09 IIFW Issue Information including classification, examiner, name, claim, renumbering, etc. 1 View
2004-09-09 FWCLM Index of Claims 1 View
2004-09-09 BIB Bibliographic Data Sheet 1 View
2004-09-09 SRFW Search information including classification, databases and other search related notes 1 View
2004-08-30 A.NE Response After Final Action 1 View
2004-08-30 CLM Claims 3 View
2004-08-30 REM Applicant Arguments/Remarks Made in an Amendment 3 View
2004-08-30 WFEE Fee Worksheet (SB06) 1 View
2004-08-17 CTFR Final Rejection 6 View
2004-08-17 SRFW Search information including classification, databases and other search related notes 1 View
2004-08-12 SRNT Examiner's search strategy and results 1 View
2004-06-18 WFEE Fee Worksheet (SB06) 1 View
2004-06-18 WCLM Claims Worksheet (PTO-2022) 1 View
2004-06-02 A... Amendment/Request for Reconsideration-After Non-Final Rejection 1 View
2004-06-02 CLM Claims 3 View
2004-06-02 REM Applicant Arguments/Remarks Made in an Amendment 4 View
2004-03-22 CTNF Non-Final Rejection 5 View
2004-03-22 892 List of references cited by examiner 1 View
2004-03-22 SRFW Search information including classification, databases and other search related notes 1 View
2004-03-02 SRNT Examiner's search strategy and results 4 View
2004-01-13 WFEE Fee Worksheet (SB06) 1 View
2004-01-13 WCLM Claims Worksheet (PTO-2022) 1 View
2003-12-15 A... Amendment/Request for Reconsideration-After Non-Final Rejection 1 View
2003-12-15 CLM Claims 2 View
2003-12-15 REM Applicant Arguments/Remarks Made in an Amendment 7 View
2003-10-03 CTMS Miscellaneous Action with shortened statutory period (SSP) 1 View
2003-09-16 CTNF Non-Final Rejection 5 View
2003-09-16 1449 List of References cited by applicant and considered by examiner 1 View
2003-09-16 892 List of references cited by examiner 1 View
2003-09-16 SRFW Search information including classification, databases and other search related notes 1 View
2003-06-05 RESC Rescind Nonpublication Request for Pre Grant Publication 1 View
2002-06-17 TRNA Transmittal of New Application 2 View
2002-06-17 SPEC Specification 12 View
2002-06-17 CLM Claims 2 View
2002-06-17 ABST Abstract 1 View
2002-06-17 OATH Oath or Declaration filed 2 View
2002-06-17 TRNA Transmittal of New Application 2 View
2002-06-17 SPEC Specification 12 View
2002-06-17 CLM Claims 2 View
2002-06-17 ABST Abstract 1 View
2002-06-17 OATH Oath or Declaration filed 2 View
2002-06-17 WFEE Fee Worksheet (SB06) 1 View
2002-06-17 WFEE Fee Worksheet (SB06) 1 View
2002-06-17 IDS Information Disclosure Statement (IDS) Form (SB08) 2 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
Patent No.
US 6,831,042
App. No.
10/173,253
Filed
2002-06-17
Granted
2004-12-14
Pub. No.
US20040005987A1
Art Unit
1712
PTA
0 days