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Frank Mares, William J Boyle Jr, Reginald T Tang, Kundanbhai M Patel, Abraham M Kotliar, Tin Ho Chiu: Polycarbonate-based block copolymers and devices. Allied Signal, R C Stewart II, G H Fuchs, D L Webster, June 9, 1992: US05120802 (99 worldwide citation)

This invention relates to a novel polycarbonate-based block polymer, and to fibers and bioresorbable implantable medical devices fabricated from said fibers.


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Andiappan K S Murthy, Kundanbhai M Patel, Alex Y Bekker: Production of light hydrocarbons by treatment of heavy hydrocarbons with water. Allied Corporation, R C Stewart II, A M Doernberg, G H Fuchs, September 24, 1985: US04543177 (59 worldwide citation)

A process is disclosed for converting heavy hydrocarbons into light hydrocarbons which comprises contacting, in a first zone, a heavy hydrocarbon having an API gravity at 25.degree. C. of less than about 20, such as Boscan heavy crude oil and tar sand bitumen, with a liquid comprising water, in the ...


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Reginald T H Tang, Frank Mares, William J Boyle Jr, Tin Ho Chiu, Kundanbhai M Patel: Medical devices fabricated from homopolymers and copolymers having recurring carbonate units. United States Surgical Corporation, May 2, 1995: US05412068 (50 worldwide citation)

This invention relates to medical devices formed totally or in part from homopolymers or copolymers comprising recurring carbonate moieties.


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Regianld T Tang, Frank Mares, William J Boyle Jr, Tin Ho Chiu, Kundanbhai M Patel: Medical devices fabricated from copolymers having recurring carbonate units. United States Surgical Corporation, January 23, 1996: US05486593 (38 worldwide citation)

This invention relates to medical devices formed totally or in part from homopolymers or copolymers comprising recurring carbonate moieties.


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Kundanbhai M Patel, Andiappan K S Murthy, Alex Y Bekker: Catalytic process for production of light hydrocarbons by treatment of heavy hydrocarbons with water. Allied Corporation, Gale F Matthews, Richard C Stewart, Gerhard H Fuchs, May 10, 1988: US04743357 (36 worldwide citation)

A process for converting heavy hydrocarbons into light hydrocarbons which comprises contacting, in a reaction zone, a heavy hydrocarbon having an API gravity at 25.degree. C. of less than about 20, such as Boscan heavy crude oil or tar sand bitumen, with a liquid comprising water and with an effecti ...