61
Stéphanie Aquin, Louis P Vézina: Method for producing polyhydroxyalkanoates in recombinant organisms. Université Laval, Her Majesty the Queen in right of Canada represented by the Minister of Agriculture and Agri Food Canada, Nixon Peabody, December 10, 2002: US06492134 (3 worldwide citation)

The present biotechnological approach for the production of polyhydroxyalkanotes (PHAs) uses microbial systems. The high production costs makes them substantially more expensive than synthetic plastics. Engineering a novel pathway in eucaryotic cell systems is a beneficial alternative to the product ...


62
Gaetano F D Alelio deceased, Phillip A Waitkus: Addition products of terminally unsaturated polyimide derivatives with a diaryl conjugated butadiyne. Plastics Engineering Company, Walter J Monacelli, September 13, 1983: US04404139 (3 worldwide citation)

Novel, unsaturated diacteylene-terminated polyimides and processes for their preparation are disclosed herein. These new polyimides are derivatives of anhydride-terminated aromatic polyimides from which they can be prepared by amidation to provide new unsaturated amide groups having a terminal group ...


63
Chung J Lee: Process for preparing polyimides end-capped with anhydride or isocyanate groups. Plastics Engineering Company, Walter J Monacelli, December 20, 1983: US04421905 (3 worldwide citation)

The process described herein comprises the preparation of polyimides by the reaction of aromatic dianhydrides and aromatic diisocyanates in the presence of a metal acetylacetonate, such as Al, Co, Fe, Ni, Zr, etc. By using appropriate proportions, the polyimides may be end-capped with either anhydri ...


64
Yeon F Liang: Thermoplastic polyester blends of improved impact resistance. Plastics Engineering Company, Quarles & Brady, December 26, 1989: US04889898 (3 worldwide citation)

A polymer blend of superior impact resistance comprises an intimate blend of a polyester resin, a polycarbonate resin and an acid-modified polyolefin. The preferred acid-modified polyolefin is a polyethylene wax which has been modified with maleic acid anhydride.


65
Andrew Oliver Kenny, Douglas James Weatherall, Viqar Haider, Ronald Harold Ball, Alexander Stuart Caunce: Apparatus for extrusion of thermoplastic handrail. EHC CANADA, Bereskin & Parr S E N C R L s r l, February 28, 2017: US09579839 (2 worldwide citation)

A method and apparatus for extrusion of an article is provided. A die assembly can apply flows of thermoplastic material to an array of reinforcing cables to form a composite extrusion. A slider fabric can be bonded to one side of the composite extrusion. After exiting the die assembly, the slider f ...


66
Phillip A Waitkus, Louis L Korb: Process for preparing a vitreous carbon. Plastics Engineering Company, Walter J Monacelli, November 25, 1986: US04624811 (2 worldwide citation)

The process for producing a vitreous carbon involves the molded product of a moldable composition produced from co-reacted mixtures of powder or otherwise blendable form of 20-80% by weight of a phenolic-furfuraldehyde Novolac resin and of 20-80% by weight of phenolic-aldehyde resol resin dispersed ...


67
Gaetano F D Alelio deceased, Phillip A Waitkus: Addition products of a di-acetylene-terminated polyimide derivatives and a dienophile having a non-conjugated acetylenic group. Plastics Engineering Company, Walter J Monacelli, September 6, 1983: US04402879 (2 worldwide citation)

Novel, unsaturated diacteylene-terminated polyimides and processes for their preparation are disclosed herein. These new polyimides are derivatives of anhydride-terminated aromatic polyimides from which they can be prepared by amidation to provide new unsaturated amide groups having a terminal group ...


68
Gaetano F D Alelio deceased, Phillip A Waitkus: Addition products of di-acetylene-terminated polyimide derivatives with a polyimide having terminal ethylenic groups. Plastics Engineering Company, Walter J Monacelli, September 20, 1983: US04405521 (2 worldwide citation)

Novel, unsaturated diacteylene-terminated polyimides and processes for their preparation are disclosed herein. There new polyimides are derivatives of anhydride-terminated aromatic polyimides from which they can be prepared by amidation to provide new unsaturated amide groups having a terminal group ...


69
Gaetano F D Alelio deceased, Phillip A Waitkus: Monomeric diimides having terminal conjugated diacetylene groups. Plastics Engineering Company, Walter J Monacelli, May 25, 1982: US04331601 (2 worldwide citation)

Novel, unsaturated diacetylene-terminated polyimides and processes for their preparation are disclosed herein. These new polyimides are derivatives of anhydride-terminated aromatic polyimides from which they can be prepared by amidation to provide new unsaturated amide groups having a terminal group ...


70
Gaetano F D Alelio deceased, Phillip A Waitkus: Vinylacetylene-terminated polyimide derivatives. Plastics Engineering Company, Walter J Monacelli, May 14, 1985: US04517363 (2 worldwide citation)

Novel, unsaturated vinylacteylene-terminated polyimides and processes for their preparation are disclosed herein. These new polyimides are derivatives of anhydride-terminated aromatic polyimides from which they can be prepared by amidation to provide new unsaturated amide groups having a terminal gr ...