Hefner; Robert E.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Hefner; Robert E..The latest application filed is for "thin film composite membrane including crosslinked troger's base polymer".

Company Profile

4.2.14

Hefner; Robert E. - Freeport TX
Hefner; Robert E. - Rosharon TX
Hefner; Robert E. - Midland MI
Hefner; Robert E. - Lake Jackson TX
Hefner; Robert E. - Creve Coeur IL
Hefner; Robert E. - Creve Couer IL

*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
Thin Film Composite Membrane Including Crosslinked Troger's Base Polymer App 20200009511 - Agarwal; Praveen ; et al.	2020-01-09
Method For Reducing The Permeability Of A Subterranean Formation To Aqueous-based Fluids App 20190330522 - Hoyles; Stephen M. ; et al.	2019-10-31
Water Soluble Alpha-glycol Sulfonated Epoxy Resin Composition And Process For Preparing The Same App 20190256644 - Hefner; Robert E. ; et al.	2019-08-22
Method For Recovering Hydrocarbon Fluids From A Subterranean Reservoir App 20190153295 - Hoyles; Stephen M ; et al.	2019-05-23
Epoxy Resin Compositions App 20170088663 - Hefner; Robert E. ; et al.	2017-03-30
Preparation And Use Of Cyclododecatriene Trialdehyde And Related Compounds App 20170022134 - Molitor; Erich J. ; et al.	2017-01-26
Epoxy Resin Adducts And Thermosets Therefrom App 20130144015 - Hefner; Robert E.	2013-06-06
Coating Compositions App 20130143982 - Jin; Xin ; et al.	2013-06-06
Epoxy Resins Derived From Non-seed Oil Based Alkanolamides And A Process For Preparing The Same App 20110039981 - Hefner; Robert E. ; et al.	2011-02-17
Aromatic Dicyanate Compounds With High Aliphatic Carbon Content App 20110009559 - Mullins; Michael J. ; et al.	2011-01-13
Ergonomic machine control console App 20080023250 - Hefner; Robert E. ; et al.	2008-01-31
Multifunctional monomers and their use in making cross-linked polymers and porous films App 20040053033 - Niu, Q. Jason ; et al.	2004-03-18
Steering resistance device Grant 6,389,343 - Hefner , et al. May 14, 2	2002-05-14
Powertrain performance assessment system Grant 5,109,696 - Bright , et al. May 5, 1	1992-05-05

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