Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7110073 | Polarizer for a multi-domain vertical alignment liquid crystal display | Jung-Hung Hsu, Lung-Hai Wu, Chien-Wei Tsou | 2006-09-19 |
| 7038361 | Plasma display panel structure having polarization plate | Yueh-Hsiang Hsu, Chien-Shu Lai | 2006-05-02 |
| 6956699 | Polarizer to improve contrast for liquid crystal display from down view angle | Wei-Duz Hong, Tung-Lung Li, Long Wu | 2005-10-18 |
| 6890590 | Method for forming anti-glaring and anti-reflecting film | Chyi-Hung Lin, Bor-Ping Wang, Feng Huang, Shun-Hsiang Ke, Hsiu-Min Feng | 2005-05-10 |
| 6852376 | Antiglare film | Jung-Chen Chien, Bor-Ping Wang, Hung-Chi Chen | 2005-02-08 |
| 5300566 | Method for preparing poly(vinyl alcohol)-co-poly(vinylamine) via a two-phase process | Robert K. Pinschmidt, Jr. | 1994-04-05 |
| 5194492 | Two-phase process for preparing poly(vinyl alcohol)-co-poly(vinylamine) | Robert K. Pinschmidt, Jr. | 1993-03-16 |
| 5179172 | Epichlorohydrin or chlorine-containing vinyl or acrylate (co)polymer-modified amines | Richard Chan, Ta Yen Ching | 1993-01-12 |
| 5155167 | Vinyl alcohol copolymers containing allylamine functionality | Robert K. Pinschmidt, Jr., Lawrence K. Wempe | 1992-10-13 |
| 5086111 | Amine functional polymers containing acetal groups | Robert K. Pinschmidt, Jr. | 1992-02-04 |
| 5085787 | Crosslinked vinylamine polymer in enhanced oil recovery | Robert K. Pinschmidt, Jr., Bheema R. Vijayendran | 1992-02-04 |
| 4952656 | Manufacture of high molecular weight poly(vinylamines) | Bheema R. Vijayendran | 1990-08-28 |
| 4943676 | Thermolysis of poly(N-vinylformamide) to poly(N-vinylamine) | Robert K. Pinschmidt, Jr. | 1990-07-24 |
| 4931194 | Enhanced oil recovery with high molecular weight polyvinylamine formed in-situ | Robert K. Pinschmidt, Jr. | 1990-06-05 |
| 4931501 | Modified poly(vinyl alcohol) containing morpholinoalkylether groups | Robert K. Pinschmidt, Jr., William F. Burgoyne, Jr. | 1990-06-05 |
| 4921621 | Hydrolyzed co-polymers of N-vinylamide and acrylamide for use as waterloss control additives in drilling mud | Christine A. Costello, Robert K. Pinschmidt, Jr. | 1990-05-01 |
| 4843118 | Acidized fracturing fluids containing high molecular weight poly(vinylamines) for enhanced oil recovery | Bheema R. Vijayendran | 1989-06-27 |
| 4828725 | Completion fluids containing high molecular weight poly(vinylamines) | Bheema R. Vijayendran | 1989-05-09 |
| 4804793 | Drilling mud compositions containing high molecular weight poly (vinylamines) | Bheema R. Vijayendran | 1989-02-14 |
| 4798871 | Compositions containing high molecular weight poly(vinylamines) for enhanced oil recovery | Bheema R. Vijayendran | 1989-01-17 |
| 4795770 | Cement composition for oil well drilling holes containing high molecular weight poly (vinylamines) | Bheema R. Vijayendran | 1989-01-03 |