P

Inventor

BRUNELLE DANIEL J

US80 patents
⚠️ This page may combine multiple inventors who share the name “BRUNELLE DANIEL J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

GEN ELECTRIC

49 patents
US5229482AJul 20, 1993

Phase transfer catalyzed preparation of aromatic polyether polymers

GEN ELECTRIC222 citations99
US4217438AAug 12, 1980

Polycarbonate transesterification process

GEN ELECTRIC439 citations99
US5407984AApr 18, 1995

Process for preparing macrocyclic polyester oligomers

GEN ELECTRIC109 citations98
US5498651AMar 12, 1996

Method for polymerizing macrocyclic polyester oligomers

GEN ELECTRIC70 citations96
US5321117AJun 14, 1994

Macrocyclic polyester oligomer preparation with Lewis acid as catalyst

GEN ELECTRIC74 citations96
US5081298AJan 14, 1992

Bis(pentaalkylguanidinium) alkane salts as phase transfer catalysts

GEN ELECTRIC49 citations96
US5039783AAug 13, 1991

Method for preparing and polymerizing macrocyclic poly(alkylene discarboxylate) oligomers

GEN ELECTRIC130 citations96
US4829144AMay 9, 1989

Cyclic polyester oligomer and method for their preparation

GEN ELECTRIC69 citations96
US4757132AJul 12, 1988

Cyclic polyester oligomer polymerization

GEN ELECTRIC76 citations96
US4740583AApr 26, 1988

Method for converting cyclic polycarbonate oligomer mixtures to linear polycarbonate, and composition resulting therefrom

GEN ELECTRIC73 citations96
US4727134AFeb 23, 1988

Method for preparing cyclic polycarbonate oligomer mixtures

GEN ELECTRIC77 citations96
US4644053AFeb 17, 1987

Cyclic polycarbonate oligomers and methods for their preparation and use

GEN ELECTRIC114 citations96
US4638077AJan 20, 1987

Method for the preparation of chloroformate compositions

GEN ELECTRIC62 citations96
US4323668AApr 6, 1982

(Ortho-alkoxycarbonyaryl)-carbonate transesterification

GEN ELECTRIC119 citations96
US5466744ANov 14, 1995

Polymerization of macrocyclic poly(alkylene dicarboxylate) oligomers

GEN ELECTRIC71 citations95
US5214158AMay 25, 1993

Method for preparation of macrocyclic poly(alkylene dicarboxylate) oligomers

GEN ELECTRIC77 citations95
US5132423AJul 21, 1992

Method for conducting organic reactions using guanidinium salt as phase transfer catalyst

GEN ELECTRIC75 citations94
US5514813AMay 7, 1996

Preparation of macrocyclic polyetherimide oligomers from substituted bisphthalimides

GEN ELECTRIC39 citations93
US5264548ANov 23, 1993

Low melting cyclic polycarbonate composition

GEN ELECTRIC36 citations93
US5231161AJul 27, 1993

Method for preparation of macrocyclic poly(alkylene dicarboxylate) oligomers from bis(hydroxyalkyl) dicarboxylates

GEN ELECTRIC112 citations93
US5116975AMay 26, 1992

Bis(guanidinium)alkane salts as phase transfer catalysts

GEN ELECTRIC39 citations93
US5082968AJan 21, 1992

Method of preparing hexaalkylguanidinium salts

GEN ELECTRIC25 citations93
US4904810AFeb 27, 1990

Bischoloroformate preparation method with phosgene removal and monochloroformate conversion

GEN ELECTRIC50 citations93
US4888411ADec 19, 1989

Crosslinkable polycyclic polycarbonate oligomer and methods for their preparation and use

GEN ELECTRIC34 citations93
US4460778AJul 17, 1984

Phase transfer catalysts

GEN ELECTRIC45 citations93
US4353793AOct 12, 1982

Method for removing polyhalogenated hydrocarbons from nonpolar organic solvent solutions

GEN ELECTRIC38 citations93
US4351718ASep 28, 1982

Method for removing polyhalogenated hydrocarbons from nonpolar organic solvent solutions

GEN ELECTRIC41 citations93
USRE34431ENov 2, 1993

Macrocyclic oligomers containing spiro(bis)indane moieties

GEN ELECTRIC40 citations92
US4980453ADec 25, 1990

Macrocyclic oligomers containing spiro(bis)indane moietes

GEN ELECTRIC43 citations92
US4696998ASep 29, 1987

Cyclic heterocarbonates and methods for their preparation and use

GEN ELECTRIC38 citations92
US5446122AAug 29, 1995

Process for preparing macrocyclic polyesters

GEN ELECTRIC44 citations91
US4920200AApr 24, 1990

Hydroquinone-bisphenol cyclic copolycarbonate oligomer

GEN ELECTRIC23 citations91
US4681949AJul 21, 1987

Bis-aminopyridinium salts as phase transfer catalysts for aromatic ether imide preparation

GEN ELECTRIC23 citations82
US4595760AJun 17, 1986

Bis-aminopyridinium salts

GEN ELECTRIC21 citations82
US4452932AJun 5, 1984

Inhibition of ester-carbonate interchange in polyester-polycarbonate blends

GEN ELECTRIC20 citations82
US4410422AOct 18, 1983

Method for removing polyhalogenated hydrocarbons from nonpolar organic solvent solutions

GEN ELECTRIC19 citations82
US4330664AMay 18, 1982

Polycarbonate transesterification with catalyst containing aluminum hydride or borohydride group

GEN ELECTRIC27 citations82
US4513141AApr 23, 1985

Method for making aromatic ethers using diorganoamino pyridinum salt catalyst

GEN ELECTRIC20 citations79
US4767840AAug 30, 1988

Cyclic monocarbonate bishaloformates, method for their preparation, and uses thereof

GEN ELECTRIC9 citations74
US4736016AApr 5, 1988

Cyclic polycarbonate oligomers from spirobiindane bisphenols

GEN ELECTRIC10 citations74
US4590257AMay 20, 1986

Boron- and nitrogen-containing compositions and their use in polycarbonate and polyester-polycarbonate synthesis

GEN ELECTRIC8 citations74
US4363905ADec 14, 1982

Polycarbonate transesterification from bis(ortho-nitroaryl)carbonate

GEN ELECTRIC7 citations74
US4349486ASep 14, 1982

Monocarbonate transesterification process

GEN ELECTRIC14 citations74
US4345062AAug 17, 1982

Polycarbonate transesterification with tetraborate or tetraaluminate anion containing catalyst

GEN ELECTRIC10 citations74
US4316981AFeb 23, 1982

Polycarbonate transesterification

GEN ELECTRIC9 citations74
US4310656AJan 12, 1982

Polycarbonate transesterification

GEN ELECTRIC17 citations74
US4814420AMar 21, 1989

Detecting the stoichiometric end point of phosgenation reactions

GEN ELECTRIC17 citations73
US5153276AOct 6, 1992

Solvent resistant polycarbonate blends

GEN ELECTRIC7 citations72
US4994547AFeb 19, 1991

Linear copolycarbonate from hydroquinone-bisphenol cyclic copolycarbonate

GEN ELECTRIC15 citations72

PRESIDIUM USA INC

1 patent

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