Inventor · Scotia, NY, US

Daniel J. Brunelle

148Patents
31h-index
147Co-inventors
93Inventor score

Filing activity: Dec 15, 1978 → Aug 20, 2018

Most-cited inventions

PatentTitleAreaCited byStatus
US4217438A Polycarbonate transesterification process Chemistry; Metallurgy 199 Expired
US5229482A Phase transfer catalyzed preparation of aromatic polyether polymers Performing Operations; Transporting 113 Expired
US4644053A Cyclic polycarbonate oligomers and methods for their preparation and use Chemistry; Metallurgy 78 Expired
US5039783A Method for preparing and polymerizing macrocyclic poly(alkylene discarboxylate) oligomers Chemistry; Metallurgy 77 Expired
US6306507A Thermally stable polymers, method of preparation, and articles made therefrom Emerging Cross-Sectional Technologies 77 Expired
US5668186A Process for depolymerizing polyesters Emerging Cross-Sectional Technologies 76 Expired
US5231161A Method for preparation of macrocyclic poly(alkylene dicarboxylate) oligomers from bis(hydroxyalkyl) dicarboxylates Chemistry; Metallurgy 66 Expired
US5407984A Process for preparing macrocyclic polyester oligomers Chemistry; Metallurgy 59 Expired
US4757132A Cyclic polyester oligomer polymerization Chemistry; Metallurgy 58 Expired
US4727134A Method for preparing cyclic polycarbonate oligomer mixtures Chemistry; Metallurgy 53 Expired
US5830974A Method for preparing aromatic polyether polymers Chemistry; Metallurgy 53 Expired
US6559270B1 Weatherable block copolyestercarbonates and blends containing them, and method Mechanical Engineering; Lighting; Heating 53 Expired
US4323668A (Ortho-alkoxycarbonyaryl)-carbonate transesterification Chemistry; Metallurgy 53 Expired
US5466744A Polymerization of macrocyclic poly(alkylene dicarboxylate) oligomers Chemistry; Metallurgy 48 Expired
US5214158A Method for preparation of macrocyclic poly(alkylene dicarboxylate) oligomers Chemistry; Metallurgy 46 Expired
US4740583A Method for converting cyclic polycarbonate oligomer mixtures to linear polycarbonate, and composition resulting therefrom Chemistry; Metallurgy 46 Expired
US5321117A Macrocyclic polyester oligomer preparation with Lewis acid as catalyst Chemistry; Metallurgy 41 Expired
US6548623B2 Method of polycarbonate preparation Chemistry; Metallurgy 40 Expired
US4638077A Method for the preparation of chloroformate compositions Chemistry; Metallurgy 40 Expired
US4980453A Macrocyclic oligomers containing spiro(bis)indane moietes Chemistry; Metallurgy 39 Expired
US5661214A Titanate esters useful as polymerization initiators for macrocylic polyester oligomers Chemistry; Metallurgy 37 Expired
US4829144A Cyclic polyester oligomer and method for their preparation Chemistry; Metallurgy 37 Expired
US5498651A Method for polymerizing macrocyclic polyester oligomers Chemistry; Metallurgy 36 Expired
US5908915A Copolyetherimides and phase catalyzed method for their preparation Chemistry; Metallurgy 36 Expired
US5648454A Process for producing high ductile polyesters Chemistry; Metallurgy 36 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.