Inventor

Samuel Porter, Jr.

Inventor

Natrona Heights, PA, US

Overview

1976–1991

Patent span

Chemistry

Primary field (CPC C)

Patents· 39 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 lacquers24%

C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds22%

Y10TTechnical subjects covered by former us classification16%

C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds11%

C08LCompositions of macromolecular compounds8%

B05DProcesses for applying fluent materials to surfaces, in general7%

C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients5%

C08JWorking-up3%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests3%

PatentTitleYear

4,988,766'Polymers prepared by polymerizing alpha, beta-ethylenically unsaturated acids and epoxy compounds and crosslinked products therefrom'1991 4,917,955'Color plus clear composite coating having a catalyst-free base coat comprising polyepoxides and polyacid curing agents'1990 4,859,743'Urethane component for high solids coating compositions'1989 4,849,283'Composite coatings employing polyepoxides and polyacid curing agents in base coats'1989 4,818,796'Polymers prepared by polymerizing alpha, beta-ethylenically unsaturated acids and epoxy compounds'1989 4,808,656'High solids coating compositions'1989 4,801,653'Coating compositions prepared from hydroxyl functional graft copolymers'1989 4,755,582'Thermosetting high solids coating composition of hydroxy-functional epoxies and anhydrides'1988 4,755,581'Thermosetting high solids coating composition of epoxies, polyols and anhydrides'1988 4,749,743'Epoxy-functional polyurethanes and high solids thermosetting coating compositions thereof'1988 4,748,211'Hydroxyl functional graft copolymers'1988 4,737,403'Method of coating fiber-reinforced plastic substrates'1988 4,732,790'Color plus clear application of thermosetting high solids coating composition of hydroxy-functional epoxies and anhydrides'1988 4,732,791'Color plus clear application of thermosetting high solids coating composition of epoxies, polyols and anhydrides'1988 4,719,132'Process for the preparation of multi-layered coatings and coated articles derived therefrom'1988 4,699,814'Color plus clear application of high solids thermosetting coating compositions containing epoxy-functional polyurethanes'1987 4,620,994'Color plus clear coating system utilizing organo-modified clay'1986 4,620,993'Color plus clear coating system utilizing organo-modified clay in combination with organic polymer microparticles'1986 4,558,075'High-solids coating composition for improved rheology control containing organo-modified clay'1985 4,540,766'Thermosetting high solids solvent-based polyester-urethane one-component coating compositions'1985 4,535,132'Thermosetting high solids solvent-based polyester polyol coating compositions'1985 4,529,665'Ammonium salts of sulfocarboxylic acid esters as acid catalysts'1985 4,485,228'Thermosetting high solids solvent-based polyester-urethane two-component _coating compositions'1984 4,419,407'Elastomeric coating compositions'1983 4,410,667'Elastomeric coating compositions'1983 4,410,668'Elastomeric coating compositions'1983 4,208,494'Composition useful in making extensible films'1980 4,208,495'Composition useful in making extensible films'1980 4,205,115'Polyester coating composition'1980 4,180,619'Crosslinked acrylic polymer microparticles'1979 4,154,891'Novel thermosetting resinous compositions'1979 4,147,688'Method of preparing dispersions of gelled polymeric microparticles and products produced thereby'1979 4,143,091'Composition useful in making extensible films'1979 4,125,570'Method of stabilizing the gloss retention of thermosetting resins containing hydroxyl groups'1978 4,115,472'Urethane coating compositions'1978 4,093,673'Coating compositions composed of hydroxyfunctional polymers or copolymers and alkoxysilanes'1978 4,075,141'Carboxylic acid amide interpolymer-based coating compositions'1978 4,025,474'Polyester coating compositions comprising cross-linked polymeric microparticles'1977 3,975,457'Thermoplastic extensible coating compositions'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1991Patents assigned to PPG INDUSTRIES INC (39)· patent assignee history

1976–1980Based in Tarentum, PA, US· patent location history

1980–1991Based in Natrona Heights, PA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
PPG INDUSTRIES INC	39	1976–1991

Locations

Location	Patents	Span
Natrona Heights, Pennsylvania, US	27	1980–1991
Tarentum, Pennsylvania, US	12	1976–1980