Issued Patents All Time
Showing 25 most recent of 150 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6503891 | Water emulsifiable formulations | Edward T. Marquis, Howard P. Klein | 2003-01-07 |
| 5414087 | Preparation of N-alkylpiperazines | James H. Templeton | 1995-05-09 |
| 5391826 | Amidopolyamines derived from amino-carboxylic acid | Jiang-Jen Lin | 1995-02-21 |
| 5342918 | Carboxyl-terminated polyetheramines | Richele T. Howelton | 1994-08-30 |
| 5324812 | Water soluble polyamide from polyalkylene glycol diamines and polycarboxylic acids | Christopher S. Henkee | 1994-06-28 |
| 5324838 | Bicyclo[4.3.0]1,4,7-triazanon-4-ene-one useful in the extraction of precious metals | Martin J. Plishka | 1994-06-28 |
| 5298618 | Macrocyclic oxamides | Donald H. Champion, Martin J. Plishka | 1994-03-29 |
| 5276192 | Preparation of phenoxyethanamines | Wei-Yang Su | 1994-01-04 |
| 5264132 | Method of removing alkaline materials from waste water | Edward T. Marquis | 1993-11-23 |
| 5254668 | Polyamidopolyfunctional amine from lactam and ether amine | Richard J. G. Dominguez, Richard J. Clark, Richele T. Howelton | 1993-10-19 |
| 5248821 | Process for preparing polyoxyethylene amines with urea linkages | Jiang-Jen Lin | 1993-09-28 |
| 5247078 | Synthesis of diaza crown ethers | Donald H. Champion, Terry L. Renken | 1993-09-21 |
| 5239048 | Aromatic polyoxyalkylene amidoamines | Jiang-Jen Lin | 1993-08-24 |
| 5239041 | Hindered amines to slow down reactivity in producing rim elastomers | Robert A. Grigsby, Jr., Michael Cuscurida, Robert L. Zimmerman | 1993-08-24 |
| 5210195 | Bis(2,2',6,6'-tetramethyl-4-aminoethyleneamidopiperidyl) polyoxyalkylene | Jiang-Jen Lin | 1993-05-11 |
| 5206362 | Two-step method for preparing cyclic ureas | Donald H. Champion | 1993-04-27 |
| 5191033 | Epoxy resin composition containing aminated epoxy resin-alkylene oxide polyols | Michael Cuscurida, Kathy B. Sellstrom | 1993-03-02 |
| 5189118 | Mixtures of 1-isopropyl-2-aryl imidazole and 1-isopropyl-2-aryl imidazoline as epoxy resin curatives | Harold G. Waddill, Wei-Yang Su | 1993-02-23 |
| 5183923 | Process for preparing primary hydroxyl-containing diols | Michael Cuscurida | 1993-02-02 |
| 5183514 | Process for dissolving or removing rigid polyurethane foam by contacting with 1,2-dimethyl imidazole | Edward T. Marquis, Wei-Yang Su | 1993-02-02 |
| 5182038 | Mannich base phenol coupled mono and/or bis-succinimide lubricating oil additives | Shailaja Madhu Shirodkar | 1993-01-26 |
| 5179175 | Polyamides from polyetheramines, hexamethylene diamine and adipic acid | Donald H. Champion | 1993-01-12 |
| 5160587 | Extractive distillation of propylene oxide | Edward T. Marquis, Yu-Hwa E. Sheu, William K. Culbreth, III, David G. Pottratz | 1992-11-03 |
| 5159101 | Cyanoethylation of alcohols | Donald H. Champion | 1992-10-27 |
| 5154803 | Purification of contaminated propylene oxide by extractive distillation | Edward T. Marquis, Yu-Hwa E. Sheu, William K. Culbreth, III, David G. Pottratz | 1992-10-13 |