P

Inventor

KWIATKOWSKI PATRICIA L

US8 patents
⚠️ This page may combine multiple inventors who share the name “KWIATKOWSKI PATRICIA L”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

PPG INDUSTRIES INC

6 patents
US4931219AJun 5, 1990

Photochromic compound and articles containing the same

PPG INDUSTRIES INC193 citations97
US4968454ANov 6, 1990

Variable-light transmittance article and method for preparing same

PPG INDUSTRIES INC101 citations95
US5021196AJun 4, 1991

Method for preparing variable-light transmittance article

PPG INDUSTRIES INC34 citations92
US4986934AJan 22, 1991

Photochromic compound and articles containing the same

PPG INDUSTRIES INC34 citations92
US4936995AJun 26, 1990

Photochromic compound and articles containing the same

PPG INDUSTRIES INC35 citations91
US4792224ADec 20, 1988

Photochromic compound and articles containing the same

PPG INDUSTRIES INC39 citations91

RHONE POULENC AGROCHIMIE

2 patents
US5187185AFeb 16, 1993

Pesticidal 1-arylpyrroles

RHONE POULENC AGROCHIMIE39 citations89
US5506260AApr 9, 1996

Pesticidal 1-arylpyrrole compositions and method of use thereas

RHONE POULENC AGROCHIMIE3 citations59