Enright; Dorothy P.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Enright; Dorothy P..The latest application filed is for "method for preserving core sample integrity".

Company Profile

0.10.1

Enright; Dorothy P. - Houston TX

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Method for preserving core sample integrity Grant 6,283,228 - Collee , et al. September 4, 2	2001-09-04
Method for preserving core sample integrity App 20010000393 - Collee, Pierre Emmanuel ; et al.	2001-04-26
Method and composition for preserving core sample integrity using a water soluble encapsulating material Grant 5,546,798 - Collee , et al. August 20, 1	1996-08-20
Drilling fluid methods and composition Grant 5,099,930 - Enright , et al. * March 31, 1	1992-03-31
Drilling fluid methods and composition Grant 5,007,489 - Enright , et al. April 16, 1	1991-04-16
Modified non-polluting liquid phase shale swelling inhibition drilling fluid and method of using same Grant 4,963,273 - Perricone , et al. * October 16, 1	1990-10-16
Modified non-polluting liquid phase shale swelling inhibition drilling fluid Grant 4,941,981 - Perricone , et al. * July 17, 1	1990-07-17
Modified non-polluting liquid phase shale swelling inhibition drilling fluid and method of using same Grant 4,830,765 - Perricone , et al. May 16, 1	1989-05-16
Aqueous drilling fluid additive Grant 4,309,329 - Lucas , et al. * January 5, 1	1982-01-05
Drilling fluid containing a copolymer filtration control agent Grant 4,293,427 - Lucas , et al. October 6, 1	1981-10-06
Aqueous drilling fluid additive, composition and process Grant 4,268,400 - Lucas , et al. May 19, 1	1981-05-19

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