Issued Patents All Time
Showing 25 most recent of 82 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8138378 | Reactive amine catalysts for polyurethane foam | Robert A. Grigsby, Jr. | 2012-03-20 |
| 7579426 | Heat activated tertiary amine urethane catalysts | Robert A. Grigsby, Jr. | 2009-08-25 |
| 7351859 | Heat activated tertiary amine urethane catalysts | Robert A. Grigsby, Jr. | 2008-04-01 |
| 7049265 | Organic anion catalyst system for foams | Robert A. Grigsby, Jr., Ernest L. Rister, Jr. | 2006-05-23 |
| 6605684 | Method of preparing spray elastomer systems | Dudley J. Primeaux, II, Kenneth Hillman | 2003-08-12 |
| 6534555 | Catalyst systems for polyurethane polyester foams | Ernest L. Rister, Jr., Robert A. Grigsby, Jr. | 2003-03-18 |
| 6495722 | Mannich polyols for rigid spray foams | Marshall P. Devine, Patrick L. Weaver | 2002-12-17 |
| 6399736 | Method of preparing spray elastomer systems | Dudley J. Primeaux, II, Kenneth Hillman | 2002-06-04 |
| 6057443 | Dimorpholinodiethylether having improved isocyanate stability | — | 2000-05-02 |
| 6013755 | Method of preparing an aliphatic polyurea spray elastomer system | Dudley J. Primeaux, II, Kenneth Hillman | 2000-01-11 |
| 5700846 | Polyurea foam made from a partially aminated polyether polyamine | Robert A. Grigsby, Jr. | 1997-12-23 |
| 5646235 | Reductive alkylation of polyamines | Wheeler C. Crawford, Rodney F. Lloyd | 1997-07-08 |
| 5616677 | Preparation of sprayable aliphatic polyurea elastomers having improved properties | Dudley J. Primeaux, II | 1997-04-01 |
| 5383942 | Fuel composition | Wei-Yang Su, Sheldon Herbstman, Joseph M. Russo, Michael Cuscurida | 1995-01-24 |
| 5286267 | Polyether hydroxyethylaminoethyl oxalamide motor fuel detergent additives | Wei-Yang Su, Sheldon Herbstman, Michael Cuscurida | 1994-02-15 |
| 5254737 | Continuous preparation of secondary amines from nitriles using a two-step process | — | 1993-10-19 |
| 5241016 | Epoxy adhesives containing aminated, long chain monoepoxide capped polyols | Harold G. Waddill, Robert A. Grigsby, Jr., Michael Cuscurida | 1993-08-31 |
| 5239041 | Hindered amines to slow down reactivity in producing rim elastomers | Robert A. Grigsby, Jr., Michael Cuscurida, George P. Speranza | 1993-08-24 |
| 5234478 | Fuel additive method of preparation and motor fuel composition | Wei-Yang Su, Sheldon Herbstman, Michael Cuscurida, Wheeler C. Crawford, Daniel T. Daly | 1993-08-10 |
| 5218005 | Polyurea elastomers made using polyamine/carbonyl adducts as chain extenders | Dudley J. Primeaux, II | 1993-06-08 |
| 5216154 | Process for the preparation of n-methylmorpholine oxide | — | 1993-06-01 |
| 5203879 | Fuel composition | Wei-Yang Su, Sheldon Herbstman, Joseph M. Russo, Michael Cuscurida | 1993-04-20 |
| 5189075 | Polyurea elastomers made using polyoxyalkylene tetra-or higher functional amine chain extenders | Dudley J. Primeaux, II | 1993-02-23 |
| 5189221 | Amine separation process | Roger G. Duranleau | 1993-02-23 |
| 5140097 | Thermoplastic thermosettable polyamide from poly(oxytetramethylene) diamine and poly(oxytetramethylene) oligomer polyamine | George P. Speranza, Wei-Yang Su, Donald H. Champion | 1992-08-18 |