Inventor

Charles C. Payne

Inventor

Aurora, IL, US

Overview

21→

Patents

1976–1999

Patent span

Chemistry

Primary field (CPC C)

Patents· 21 as inventor

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

H10Pprimary

H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1015%

C01BNon-metallic elements13%

C09GPolishing compositions7%

C09KMaterials for miscellaneous applications, not provided for elsewhere7%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests7%

Y10TTechnical subjects covered by former us classification7%

C04BLime, magnesia4%

D21HPulp compositions4%

G01NInvestigating or analysing materials by determining their chemical or physical properties4%

A01NPreservation of bodies of humans or animals or plants or parts thereof2%

PatentTitleYear

5,919,707'Monitoring of rolling oil emulsions'1999 5,534,053'Composition for reducing or eliminating static charge in adhesive film'1996 5,324,517'Sprayable adhesive for gypsy moth pheromone beads'1994 5,230,833'Low sodium, low metals silica polishing slurries'1993 4,980,024'Antiskid paper with enhanced friction retention'1990 4,964,919'Cleaning of silicon wafers with an aqueous solution of KOH and a nitrogen-containing compound'1990 4,867,757'Lapping slurry compositions with improved lap rate'1989 4,853,140'Lubricating fluids for slicing silicon ingots'1989 4,752,628'Concentrated lapping slurries'1988 4,588,421'Aqueous silica compositions for polishing silicon wafers'1986 4,552,804'Prevention of silica migration in thermal insulation with water-soluble salts of inorganic oxygen-containing acids or acidic gases'1985 4,483,765'Oil-dispersible antimony oxide sol dispersed as an oil in water emulsion into a cracking feed'1984 4,478,742'Preparation of a ferric acetate coated silica sol by selective anion exchange'1984 4,462,188'Silica sol compositions for polishing silicon wafers'1984 4,451,388'Preparation of aluminum oxide coated silica sols using ultrafiltration'1984 4,430,369'Silica sol penetration and saturation of thermal insulation fibers'1984 4,356,107'Process for preparing silica sols'1982 4,304,575'Preparation of large particle silica sols'1981 4,215,031'Thickening additives for unsaturated polyester resins'1980 4,169,337'Process for polishing semi-conductor materials'1979 3,981,820'Antiskid coating'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1999Patents assigned to NALCO CHEMICAL CO (20)· patent assignee history

1976–1984Based in Chicago, IL, US· patent location history

1984–1999Based in Aurora, IL, US· patent location history

1996Patents assigned to RODEL INC (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
NALCO CHEMICAL CO	20	1976–1999
RODEL INC	1	1996

Locations

Location	Patents	Span
Aurora, Illinois, US	15	1984–1999
Chicago, Illinois, US	6	1976–1984