Inventor
SILVA JAMES M
US27 patents
⚠️ This page may combine multiple inventors who share the name “SILVA JAMES M”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
GEN ELECTRIC
22 patentsUS5043203AAug 27, 1991
Method for making end-capped polycarbonates from bisphenol monochloroformate polycarbonate oligomers with pH control system
GEN ELECTRIC43 citations92
US4743676AMay 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
US4616077AOct 7, 1986
Method for preparing cyclic polycarbonate oligomer from bischloroformate composition
GEN ELECTRIC52 citations92
US4571425AFeb 18, 1986
Method for making aromatic bis(ether anhydride)
GEN ELECTRIC21 citations82
US5011967AApr 30, 1991
Method for preparing aromatic bischloroformate compositions
GEN ELECTRIC8 citations74
US4994594AFeb 19, 1991
Oligomeric carbonate chainstoppers
GEN ELECTRIC6 citations74
US4973664ANov 27, 1990
Method for preparing polycarbonates of controlled molecular weight from bischloroformates
GEN ELECTRIC13 citations74
US4701544AOct 20, 1987
Method for making reaction products of phosgene and dihydric phenol
GEN ELECTRIC9 citations74
US5034505AJul 23, 1991
Single-step method for preparing polycarbonates from bischloroformates
GEN ELECTRIC7 citations73
US4814420AMar 21, 1989
Detecting the stoichiometric end point of phosgenation reactions
GEN ELECTRIC17 citations73
US4810813AMar 7, 1989
Method for making reaction products of phosgene and dihydric phenol with stable suspension of dihydric phenol, alkali metal hydroxide and water
GEN ELECTRIC10 citations73
US5580951ADec 3, 1996
Method for preparing aromatic bischloroformate compositions and polycarbonates
GEN ELECTRIC2 citations63
US4814429AMar 21, 1989
Method for preparing cyclic polycarbonate oligomers
GEN ELECTRIC3 citations63
US4649210AMar 10, 1987
Reducing phosgenation reaction temperatures
GEN ELECTRIC2 citations63
US5214183AMay 25, 1993
Method for making oligomeric bisphenol monochloroformate polycarbonate oligomers and product
GEN ELECTRIC6 citations62
US5162564ANov 10, 1992
Method for making oligomeric carbonate bischloroformates with low phosgene usage
GEN ELECTRIC2 citations62
US5114861AMay 19, 1992
Detecting the endpoint in interfacial aromatic polycarbonate polymerization reactions
GEN ELECTRIC5 citations62
US5097009AMar 17, 1992
Method for making cyclic oligomeric aromatic polycarbonates from monochloroformate
GEN ELECTRIC6 citations62
US5011966AApr 30, 1991
Low phosgene method for preparing aromatic bischloroformates
GEN ELECTRIC2 citations62
US4722995AFeb 2, 1988
Detecting the stoichiometric end point of phosgenation reactions
GEN ELECTRIC3 citations62
US5464930ANov 7, 1995
Article for use in optical application formed from linear polycarbonate resins
GEN ELECTRIC0 citations52