P

Inventor

BRAND JOHN R

12 patents
⚠️ This page may combine multiple inventors who share the name “BRAND JOHN R”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

KERR MC GEE CHEM CORP

6 patents
US4752340AJun 21, 1988

Titanium dioxide pigments

KERR MC GEE CHEM CORP48 citations92
US5730796AMar 24, 1998

Durable pigmentary titanium dioxide and methods of producing the same

KERR MC GEE CHEM CORP29 citations91
US4923518AMay 8, 1990

Chemically inert pigmentary zinc oxides

KERR MC GEE CHEM CORP53 citations91
US5700318ADec 23, 1997

Durable pigments for plastic

KERR MC GEE CHEM CORP30 citations90
US5041162AAug 20, 1991

Process for producing durable titanium dioxide pigment

KERR MC GEE CHEM CORP16 citations73
US5015264AMay 14, 1991

Nonpigmentary titanium dioxide powders

KERR MC GEE CHEM CORP6 citations62

NEW JERSEY ZINC CO

2 patents
US4357170ANov 2, 1982

Titanium dioxide pigment treated to suppress yellowing in polymers

NEW JERSEY ZINC CO48 citations91
US4199370AApr 22, 1980

Weather resistant titanium dioxide pigment having improved optical properties and process for making same

NEW JERSEY ZINC CO34 citations91

WARWICK ELECTRONICS INC

2 patents
US3960043AJun 1, 1976

Filter circuit

WARWICK ELECTRONICS INC14 citations73
US3941024AMar 2, 1976

Electrical musical instrument with automatic sequential tone generation

WARWICK ELECTRONICS INC8 citations70

GULF & WESTERN INDUSTRIES

1 patent
US4377417AMar 22, 1983

Titanium dioxide pigment treated to suppress yellowing in polymers

GULF & WESTERN INDUSTRIES36 citations92

TEL RAY ELECTRONICS MFG CO INC

1 patent
US4235144ANov 25, 1980

Means for controlling special musical effects

TEL RAY ELECTRONICS MFG CO INC33 citations83