Inventor
PYLES ROBERT A
US37 patents
⚠️ This page may combine multiple inventors who share the name “PYLES ROBERT A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
GEN ELECTRIC
13 patentsUS4743676AMay 10, 1988
Method for preparing polycarbonate of controlled molecular weight from aromatic bischloroformate
GEN ELECTRIC26 citations92
US4737573AApr 12, 1988
Method for polymerizing aromatic bischloroformate composition to polycarbonate
GEN ELECTRIC46 citations92
US4732934AMar 22, 1988
Functionalized thermoplastic polymers, blends prepared therefrom, and methods for preparing blends
GEN ELECTRIC26 citations92
US5011967AApr 30, 1991
Method for preparing aromatic bischloroformate compositions
GEN ELECTRIC8 citations74
US4994594AFeb 19, 1991
Oligomeric carbonate chainstoppers
GEN ELECTRIC6 citations74
US4535104AAug 13, 1985
Ultraviolet light stabilized copolyestercarbonate
GEN ELECTRIC13 citations74
US4663433AMay 5, 1987
Separation of cyclic oligomeric carbonate from high molecular weight polycarbonate
GEN ELECTRIC12 citations69
US5580951ADec 3, 1996
Method for preparing aromatic bischloroformate compositions and polycarbonates
GEN ELECTRIC2 citations63
US4800218AJan 24, 1989
Functionalized thermoplastic polymers, blends prepared therefrom, and methods for preparing blends
GEN ELECTRIC2 citations62
US4736013AApr 5, 1988
Method for the preparation of hydroxy-terminated polycarbonate polymers
GEN ELECTRIC3 citations61
US5464930ANov 7, 1995
Article for use in optical application formed from linear polycarbonate resins
GEN ELECTRIC0 citations52
US4686046AAug 11, 1987
Process for separating cyclic oligomeric dihydric phenol carbonate from aromatic polycarbonate
GEN ELECTRIC1 citations48
US4686277AAug 11, 1987
Process for separating and polymerizing cyclic oligomeric polycarbonate
GEN ELECTRIC0 citations48
BAYER MATERIALSCIENCE LLC
11 patentsUS6949127B2Sep 27, 2005
Process for making dyed articles
BAYER MATERIALSCIENCE LLC17 citations92
US8758860B1Jun 24, 2014
Process for incorporating an ion-conducting polymer into a polymeric article to achieve anti-static behavior
BAYER MATERIALSCIENCE LLC26 citations88
US6994735B2Feb 7, 2006
Process for tinting plastic articles
BAYER MATERIALSCIENCE LLC19 citations88
US7094263B2Aug 22, 2006
Composition of matter comprising a dye
BAYER MATERIALSCIENCE LLC11 citations84
US7504054B2Mar 17, 2009
Method of treating a plastic article
BAYER MATERIALSCIENCE LLC12 citations83
US7175675B2Feb 13, 2007
Method of dyeing a plastic article
BAYER MATERIALSCIENCE LLC16 citations83
US7921680B2Apr 12, 2011
Apparatus and process for treating an article to impart color and/or enhance the properties of that article
BAYER MATERIALSCIENCE LLC11 citations75
US6929666B2Aug 16, 2005
Composition comprising a dye
BAYER MATERIALSCIENCE LLC8 citations74
US10132597B2Nov 20, 2018
Ballistic-resistant structural insulated panels
BAYER MATERIALSCIENCE LLC3 citations64
US9417038B2Aug 16, 2016
Energy absorber for high-performance blast barrier system
BAYER MATERIALSCIENCE LLC0 citations49
US9388324B2Jul 12, 2016
Process for incorporating an ion-conducting polymer into a polymeric article to achieve anti-static behavior
BAYER MATERIALSCIENCE LLC0 citations48
BAYER AG
4 patentsUS6065836AMay 23, 2000
Photochromic ophthalmic lens
BAYER AG67 citations96
US5461120AOct 24, 1995
Transparent thermoplastic molding compositions
BAYER AG45 citations92
US5998520ADec 7, 1999
Photochromic compositions having improved fade rate
BAYER AG27 citations91
US6103777AAug 15, 2000
Thermoplastic composition suitable for optical applications having low haze values
BAYER AG14 citations74