Issued Patents All Time
Showing 51–70 of 70 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5136094 | Process for the synthesis of secondary formamides | Mark Leo Listemann, Ronald Pierantozzi | 1992-08-04 |
| 5117056 | Preparation of N-(1-alkoxyalkyl)formamide and bis formamides | Mark Leo Listemann | 1992-05-26 |
| 5086111 | Amine functional polymers containing acetal groups | Ta-Wang Lai | 1992-02-04 |
| 5085787 | Crosslinked vinylamine polymer in enhanced oil recovery | Bheema R. Vijayendran, Ta-Wang Lai | 1992-02-04 |
| 4973410 | Crosslinked vinylamine polymer in enhanced oil recovery | Bheema R. Vijayendran | 1990-11-27 |
| 4968841 | Synthesis of ethylidene bisformamide from vinyl acetate | Mark Leo Listemann, Ronald Pierantozzi | 1990-11-06 |
| 4959489 | Process for making an acrylamide containing a dialkyl acetal group | Andrew F. Nordquist | 1990-09-25 |
| 4943676 | Thermolysis of poly(N-vinylformamide) to poly(N-vinylamine) | Ta-Wang Lai | 1990-07-24 |
| 4931501 | Modified poly(vinyl alcohol) containing morpholinoalkylether groups | Ta-Wang Lai, William F. Burgoyne, Jr. | 1990-06-05 |
| 4931194 | Enhanced oil recovery with high molecular weight polyvinylamine formed in-situ | Ta-Wang Lai | 1990-06-05 |
| 4921621 | Hydrolyzed co-polymers of N-vinylamide and acrylamide for use as waterloss control additives in drilling mud | Christine A. Costello, Ta-Wang Lai | 1990-05-01 |
| 4906777 | Synthesis of ethylidene bis-formamide using formic acid | Andrew F. Nordquist | 1990-03-06 |
| 4864055 | Self- and diol reactive formaldehyde-free crosslinking monomers and their derived polymers | Dale D. Dixon, William F. Burgoyne, Jr. | 1989-09-05 |
| 4788288 | Self-and Hydroxyl reactive formaldehyde-free cyclic hemiamidal and hemiamide ketal crosslinking monomers | Dale D. Dixon, William F. Burgoyne, Jr. | 1988-11-29 |
| 4691026 | Self- and hydroxyl reactive formaldehyde-free cyclic hemiamidal and hemiamide ketal crosslinking monomers | Dale D. Dixon, William F. Burgoyne, Jr. | 1987-09-01 |
| 4663410 | Polymers of self- and hydroxyl reactive formaldehyde-free cyclic hemiamidal and hemiamide ketal crosslinking monomers | Dale D. Dixon, William F. Burgoyne, Jr., Joel E. Goldstein | 1987-05-05 |
| 4447570 | Binder compositions for making nonwoven fabrics having good hydrophobic rewet properties | Gerald R. Cook, John G. Iacoviello, George Davidowich | 1984-05-08 |
| 4360632 | Ketone bisulfites as reducing agent for free radical polymerization | Finn L. Marten | 1982-11-23 |
| 4341898 | Synthesis of isocyanates from nitroalkanes | Barton Milligan | 1982-07-27 |
| 4191813 | Polymeric adsorbents from vinylbenzyl chloride copolymer beads | Samuel Reed | 1980-03-04 |