EJ

Ernest L. Rister, Jr.

HP Huntsman Petrochemical: 12 patents #14 of 174Top 9%
📍 Round Rock, TX: #318 of 1,915 inventorsTop 20%
🗺 Texas: #12,559 of 125,132 inventorsTop 15%
Overall (All Time): #407,322 of 4,157,543Top 10%
12
Patents All Time

Issued Patents All Time

Showing 1–12 of 12 patents

Patent #TitleCo-InventorsDate
11680130 Composition Geert Lodewijk Dries, Robert A. Grigsby, Jr., Eugene P. Wiltz, Jr. 2023-06-20
11053338 Composition Geert Lodewijk Dries, Robert A. Grigsby, Jr., Eugene P. Wiltz, Jr. 2021-07-06
10766994 Reduction of aldehydes in amine catalysts Haibo Zhao, Robert A. Grigsby, Jr., Robert B. Moore 2020-09-08
10308754 Composition Geert Lodewijk Dries, Robert A. Grigsby, Jr., Eugene P. Wiltz, Jr. 2019-06-04
10131737 Reduction of aldehydes in amine catalysts Srinivasa S. Godavarthy, Henry Robertson, Robert A. Grigsby, Jr., Robert B. Moore, Geert Lodewijk Dries +1 more 2018-11-20
9988483 Pyrrolidine-based catalysts for use in polyurethane materials Matthew W. Forkner, Robert A. Grigsby, Jr., Eugene P. Wiltz, Jr., Frank Rodriguez, Howard P. Klein 2018-06-05
9856344 Reduction of aldehydes in amine catalysts Frank Rodriguez, Robert A. Grigsby, Jr., Eugene P. Wiltz, Jr., Bhajendra Narayan Barman 2018-01-02
9221967 Preparation and use of polymeric dispersant compositions Janice S. Walker, David C. Alexander, Robert B. Moore 2015-12-29
8563676 Reactive amine catalysts for polyurethane foam Jennifer K. Pratt, Robert A. Grigsby, Jr., Gene Wiltz, Don Ridgway, Gabor Felber 2013-10-22
8093309 Light colored foam for use in marine applications Alan J. Hamilton, Richard Raul Romero 2012-01-10
7049265 Organic anion catalyst system for foams Robert A. Grigsby, Jr., Robert L. Zimmerman 2006-05-23
6534555 Catalyst systems for polyurethane polyester foams Robert A. Grigsby, Jr., Robert L. Zimmerman 2003-03-18