Inventor

GRZYBOWSKI KENNETH FRANCIS

US4 patents

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

AIR PROD & CHEM

2 patents

US5711796AJan 27, 1998

Bituminous compositions having enhanced performance properties

AIR PROD & CHEM48 citations88

US5658972AAug 19, 1997

Fire retardant plastic construction material

AIR PROD & CHEM21 citations88

PRI ASPHALT TECHNOLOGIES INC

1 patent

US7202290B2Apr 10, 2007

Modified asphalt compositions

PRI ASPHALT TECHNOLOGIES INC29 citations86

WESTLAKE LONGVIEW CORP

1 patent

USRE42165EFeb 22, 2011

Modified asphalt compositions

WESTLAKE LONGVIEW CORP7 citations81