Inventor

William E. Wellman

Inventor

Edison, NJ, US

Overview

17→

Patents

1984–1997

Patent span

Chemistry

Primary field (CPC C)

Patents· 17 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

C09Dprimary

C09DCoating compositions, e.g. paints, varnishes or lacquers32%

C08LCompositions of macromolecular compounds24%

C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds15%

C07CAcyclic or carbocyclic compounds10%

C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients7%

C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds5%

C08JWorking-up2%

Y02WClimate change mitigation technologies related to wastewater treatment or waste management2%

Y10TTechnical subjects covered by former us classification2%

PatentTitleYear

5,631,330'Process for preparing phenol-functional polymer'1997 5,536,794'Thermoset coating compositions having improved hardness'1996 5,458,920'Gloss reduction agent for solvent based pigmented coating formulations'1995 5,453,469'Liquid polymer and polyol compositions, and process for preparing phenol-functional polymer'1995 5,334,652'Polyester-based coating compositions having high pigment-to-binder ratios'1994 5,334,671'Phenol terminated diester compositions derived from dicarboxylic acids, polyester polymers or alkyd polymers, and curable compositions containing same'1994 5,326,831'Phenol terminated diester compositions derived from discarboxylic acids, polyester polymers or alkyd polymers, and curable compositions containing same'1994 5,326,791'Process for separation of hydrolyzable from non-hydrolyzable waste plastics for recovery of starting materials and other conversion processes, respectively'1994 5,322,884'Polyester-based coating compositions having high pigment-to-binder ratios'1994 5,239,018'Liquid polymer and polyol compositions, and process for preparing phenol-functional polymer'1993 5,210,155'Phenol terminated diester compositions derived from dicarboxylic acids, polyester polymers or alkyd polymers, and curable compositions containing same'1993 5,166,289'Thermoset coating composition having improved hardness'1992 5,034,154'Solvent mixture for production of high solids acrylic coating resins'1991 4,985,517'High solids acrylic-based coatings'1991 4,855,369'High solids acrylic-based coatings'1989 4,758,642'Process for preparing improved high solids acrylic-based coatings'1988 4,471,142'Process for producing isopropyl alcohol and di-isopropyl ether'1984

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1984–1994Patents assigned to EXXON RESEARCH ENGINEERING CO (2)· patent assignee history

1984–1997Based in Edison, NJ, US· patent location history

1988–1997Patents assigned to EXXON CHEMICAL PATENTS INC (13)· patent assignee history

1996Patents assigned to EXXON CHEMICAL PATENTS INC ECP (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
EXXON CHEMICAL PATENTS INC	13	1988–1997
EXXON RESEARCH ENGINEERING CO	2	1984–1994
EXXON CHEMICAL PATENTS INC ECP	1	1996

Locations

Location	Patents	Span
Edison, New Jersey, US	17	1984–1997