Inventor
Ta-Wang Lai
Inventor
Allentown, PA, US
Overview
Patents· 21 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C08Fprimary
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds30%
C09KMaterials for miscellaneous applications, not provided for elsewhere20%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests11%
G02BOptical elements, systems or apparatus7%
C08LCompositions of macromolecular compounds4%
C09DCoating compositions, e.g. paints, varnishes or lacquers4%
D21HPulp compositions4%
H01JElectric discharge tubes or discharge lamps4%
Y10TTechnical subjects covered by former us classification4%
C02FTreatment of water, waste water, sewage, or sludge2%
PatentTitleYear
7,110,073'Polarizer for a multi-domain vertical alignment liquid crystal display'20067,038,361'Plasma display panel structure having polarization plate'20066,956,699'Polarizer to improve contrast for liquid crystal display from down view angle'20056,890,590'Method for forming anti-glaring and anti-reflecting film'20056,852,376'Antiglare film'20055,300,566'Method for preparing poly(vinyl alcohol)-co-poly(vinylamine) via a two-phase process'19945,194,492'Two-phase process for preparing poly(vinyl alcohol)-co-poly(vinylamine)'19935,179,172'Epichlorohydrin or chlorine-containing vinyl or acrylate (co)polymer-modified amines'19935,155,167'Vinyl alcohol copolymers containing allylamine functionality'19925,086,111'Amine functional polymers containing acetal groups'19925,085,787'Crosslinked vinylamine polymer in enhanced oil recovery'19924,952,656'Manufacture of high molecular weight poly(vinylamines)'19904,943,676'Thermolysis of poly(N-vinylformamide) to poly(N-vinylamine)'19904,931,194'Enhanced oil recovery with high molecular weight polyvinylamine formed in-situ'19904,931,501'Modified poly(vinyl alcohol) containing morpholinoalkylether groups'19904,921,621'Hydrolyzed co-polymers of N-vinylamide and acrylamide for use as waterloss control additives in drilling mud'19904,843,118'Acidized fracturing fluids containing high molecular weight poly(vinylamines) for enhanced oil recovery'19894,828,725'Completion fluids containing high molecular weight poly(vinylamines)'19894,804,793'Drilling mud compositions containing high molecular weight poly (vinylamines)'19894,798,871'Compositions containing high molecular weight poly(vinylamines) for enhanced oil recovery'19894,795,770'Cement composition for oil well drilling holes containing high molecular weight poly (vinylamines)'1989Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1989–1994Patents assigned to AIR PROD & CHEM (14)· patent assignee history
1989–1994Based in Allentown, PA, US· patent location history
1990Patents assigned to LAI TA WANG (1)· patent assignee history
1990Patents assigned to PINSCHMIDT JR ROBERT K (1)· patent assignee history
1990–1992Based in Novato, CA, US· patent location history
1992–1993Based in Taipei, TW· patent location history
1993Patents assigned to HENKEL RESEARCH CORP (1)· patent assignee history
2005–2006Patents assigned to OPTIMAX TECH CORP (5)· patent assignee history
2005–2006Based in Taoyuan, TW· patent location history
2006Based in Tu-Chen, TW· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| AIR PROD & CHEM | 14 | 1989–1994 |
| OPTIMAX TECH CORP | 5 | 2005–2006 |
| HENKEL RESEARCH CORP | 1 | 1993 |
| LAI TA WANGself | 1 | 1990 |
| PINSCHMIDT JR ROBERT K | 1 | 1990 |
Locations
| Location | Patents | Span |
|---|---|---|
| Allentown, Pennsylvania, US | 7 | 1989–1994 |
| Novato, California, US | 5 | 1990–1992 |
| Taoyuan, TW | 4 | 2005–2006 |
| Taipei, TW | 3 | 1992–1993 |
| Tu-Chen, TW | 1 | 2006 |