IP Library › Granted Patent US 6,626,992
Granted Patent Utility
US 6,626,992 · Confirmation No. 7363

ENVIRONMENTALLY ACCEPTABLE WELL CEMENT FLUID LOSS CONTROL ADDITIVES, COMPOSITIONS AND METHODS

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2015-03-30 PETDEC Petition Decision 2 View
2015-02-10 PET.OP Petition for review by the Office of Petitions 4 View
2015-02-10 TRAN.LET Transmittal Letter 3 View
2015-02-10 WFEE Fee Worksheet (SB06) 1 View
2015-02-10 WFEE Fee Worksheet (SB06) 1 View
2002-04-30 TRNA Transmittal of New Application 3 View
2002-04-30 SPEC Specification 18 View
2002-04-30 CLM Claims 5 View
2002-04-30 ABST Abstract 1 View
2002-04-30 OATH Oath or Declaration filed 17 View
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Quick Facts
Patent No.
US 6,626,992
App. No.
10/135,753
Filed
2002-04-30
Granted
2003-09-30
Pub. No.
US20020162486A1
Art Unit
1755
PTA
-99 days