P

Inventor

ROBERTS WILLIAM P

US27 patents
⚠️ This page may combine multiple inventors who share the name “ROBERTS WILLIAM P”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

GRACE W R & CO

19 patents
US5700554ADec 23, 1997

Packaging articles suitable for scavenging oxygen

GRACE W R & CO182 citations99
US5498364AMar 12, 1996

Methods and compositions for oxygen scavenging by a rigid semi-rigid article

GRACE W R & CO113 citations99
US5399289AMar 21, 1995

Compositions, articles and methods for scavenging oxygen which have improved physical properties

GRACE W R & CO160 citations99
US5346644ASep 13, 1994

Compositions, articles & methods for scavenging oxygen

GRACE W R & CO179 citations99
US5211875AMay 18, 1993

Methods and compositions for oxygen scavenging

GRACE W R & CO348 citations99
US5529833AJun 25, 1996

Multilayer structure for a package for scavenging oxygen

GRACE W R & CO140 citations98
US5350622ASep 27, 1994

Multilayer structure for a package for scavenging oxygen

GRACE W R & CO206 citations98
US5425896AJun 20, 1995

Methods and compositions for oxygen scavenging

GRACE W R & CO97 citations96
US5310497AMay 10, 1994

Oxygen scavenging compositions for low temperature use

GRACE W R & CO170 citations94
US5445893AAug 29, 1995

pH control polymer

GRACE W R & CO22 citations92
US5171641ADec 15, 1992

Permanent antistatic acid copolymer/quaternary amine polymeric films

GRACE W R & CO23 citations92
US5096761AMar 17, 1992

Antistatically conductive masking film for electrostatic spray painting

GRACE W R & CO32 citations92
US5064699ANov 12, 1991

Semi-rigid heat-sealable laminates with permanent antistatic characteristics

GRACE W R & CO27 citations92
US4604427AAug 5, 1986

Method of forming electrically conductive polymer blends

GRACE W R & CO119 citations91
US5096934AMar 17, 1992

Packaging material containing inherently antistatic polymeric foam and method for use thereof

GRACE W R & CO7 citations73
US5840422ANov 24, 1998

pH control polymer

GRACE W R & CO6 citations63
US4999252AMar 12, 1991

Permanent antistatic acid copolymer/quaternary amine mixtures films

GRACE W R & CO4 citations63
US5418279AMay 23, 1995

Stereoregular polystyrene compositions for use in plastisols

GRACE W R & CO5 citations62
US5153075AOct 6, 1992

Permanent antistatic acid copolymer/quaternary amine polymeric films

GRACE W R & CO1 citations52

CRYOVAC INC

6 patents

SEALED AIR CORP

1 patent

COMPTON STEPHEN F

1 patent