Inventor

Chi-San Wu

Inventor

Wayne, NJ, US

Overview

11→

Patents

1993–2004

Patent span

Chemistry

Primary field (CPC C)

Patents· 11 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 bonds33%

B65DContainers for storage or transport of articles or materials, e.g. bags, barrels, bottles, boxes, cans, cartons, crates, drums, jars, tanks, hoppers, forwarding containers11%

C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients11%

H10DInorganic electric semiconductor devices11%

Y10TTechnical subjects covered by former us classification11%

A61KPreparations for medical, dental or toiletry purposes6%

H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h106%

H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h106%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests6%

PatentTitleYear

6,806,334'Proliferous copolymer of vinyl pyrrolidone and vinyl acetate'2004 6,620,900'Proliferous copolymer of vinyl pyrrolidone and vinyl acetate'2003 6,418,702'Storage stabilized oxygen degradable polymer'2002 6,331,333'Storage stabilized oxygen degradable polymer'2001 6,235,621'Method for forming a semiconductor device'2001 6,191,019'Method for forming a polysilicon layer in a polycide process flow'2001 5,739,183'Colorless, non-toxic, stabilized aqueous solution of a C.sub.1 -C.sub.5 alkyl vinyl ether and maleic acid copolymer'1998 5,621,136'Colorless, non-toxic, stabilized aqueous solution of a C1-C5 alkyl vinyl ether and maleic acid copolymer'1997 5,373,074'Free radical solution polymerization of vinylpyrrolidone'1994 5,338,814'Process for making narrow molecular weight distribution polyvinylpyrrolidone K-90 polymers'1994 5,262,171'Pharmaceutical tablet with PVP having enhanced drug dissolution rate'1993

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1993–2004Patents assigned to ISP INVESTMENTS INC (9)· patent assignee history

1993–2004Based in Wayne, NJ, US· patent location history

2001Patents assigned to VANGUARD INT SEMICONDUCT CORP (2)· patent assignee history

2001Based in Taipei, TW· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
ISP INVESTMENTS INC	9	1993–2004
VANGUARD INT SEMICONDUCT CORP	2	2001

Locations

Location	Patents	Span
Wayne, New Jersey, US	9	1993–2004
Taipei, TW	2	2001