1
John C Chen: Bi-modal ionomers. E I du Pont de Nemours and Company, Craig H Evans, May 13, 2003: US06562906 (103 worldwide citation)

The present invention relates to compositions and preparative process of partially or fully neutralized mixtures of carboxylate functionalized ethylene high copolymers or terpolymers (Mw between 80,000 and 500,000) with carboxylate functionalized ethylene low copolymers (Mw between 2,000 and 30,000) ...


2
Robert Joseph Statz, John C Chen, John Francis Hagman: Highly-resilient thermoplastic elastomer compositions. E I du Pont de Nemours and Company, November 9, 2004: US06815480 (75 worldwide citation)

A thermoplastic composition of (a) an acid copolymer, (b) a salt of a high molecular weight, monomeric organic acid; (c) a thermoplastic polymer selected from copolyetheresters, elastomeric polyolefins, styrene diene block copolymers, elastomeric polyolefins thermoplastic polyurethanes and copolyeth ...


3
John W Soehngen, John C Chen: Process for preparing microporous hollow fibers. Celanese Corporation, Kenneth A Genoni, September 22, 1981: US04290987 (46 worldwide citation)

The present invention provides a process for preparing microporous hollow fibers by solvent stretching a non-porous hollow precursor fiber having a controlled degree of molecular orientation as measured by birefringence. Control of the precursor fiber orientation, yields a microporous hollow fiber h ...


4
James E Kuder, John C Chen: Chemical modification of preformed polybenzimidazole semipermeable membrane. Celanese Corporation, Burns Doane Swecker & Mathis, January 6, 1987: US04634530 (33 worldwide citation)

A process for chemically modifying a preformed polybenzimidazole semipermeable membrane is provided. The process comprises the steps of sulfonating the membrane by contacting the membrane at a temperature within the range of 5.degree. C. to 100.degree. C. with a sulfonating agent and heating the mem ...


5
Ralph D McGrath, John C Chen: Resilient construction member, especially a unitary construction member. Owens Corning Fiberglas Technology, Inger H Eckert, Stephen W Barns, September 9, 2003: US06615559 (22 worldwide citation)

A resiliently flexible construction beam includes a pair of lateral flange portions and a web extending therebetween, preferably, but not necessarily, so as to present a cross-sectional profile corresponding to commonly used construction beam members (e.g., 2″×4″ or 2″×6″). The resilience of the bea ...


6
Don M Coates, Carl K McMillin, John C Chen: Process for flash spinning fiber-forming polymers. E I Du Pont de Nemours and Company, March 9, 1993: US05192468 (20 worldwide citation)

The invention relates to a process for flash-spinning plexifilamentary film-fibril strands of polymers that are substantially plasticizable in carbon dioxide and/or water and have a melting point less than 300.degree. C. More particularly, the strands are flash-spun from mixtures of carbon dioxide, ...


7
John C Chen, Kevin J Soden: Anti-adhesion cellulose acetate wound dressing. The Regents of the University of California, Greer Burns & Crain, December 31, 2002: US06500539 (18 worldwide citation)

A unique fabric with non-adherent characteristics making it suitable for use as a wound dressing, and particularly as a dressing for burns, is disclosed The fabric comprises cellulose acetate fibers and a siloxane finishing on the fibers. In a preferred embodiment, the dressing comprises cellulose a ...


8
John C Chen, Royce E Ennis: Stabilized chlorinated resin latex. E I Du Pont de Nemours and Company, Craig H Evans, April 7, 1992: US05102946 (18 worldwide citation)

A stabilized chlorinated resin latex comprising a mixture in water of A) 50-95 wt. %, based on the weight of A and B, of a chlorinated resin, substantially free of acid moieties, having a chlorine content of 15-70 wt. %, and B) 5-50 wt. %, based on the weight of A and B, of a salt of a water-insolub ...


9
John C Chen: Bi-modal ionomers. E I du Pont de Nemours and Company, Craig H Evans, July 13, 2004: US06762246 (18 worldwide citation)

The present invention relates to compositions and preparative process of partially or fully neutralized mixtures of carboxylate functionalized ethylene high copolymers or terpolymers (Mw between 80,000 and 500,000) with carboxylate functionalized ethylene low copolymers (Mw between 2,000 and 30,000) ...


10
John C Chen: Process for making melt stable ethylene vinyl alcohol polymer compositions. E I Du Pont de Nemours and Company, November 9, 1993: US05260371 (17 worldwide citation)

The present invention relates generally to toughened ethylene vinyl alcohol ("EVOH") compositions having improved melt processing stability. More specifically, the EVOH compositions comprise anhydride-modified polyolefin toughening resin and a stabilizer system comprising a basic inorganic compound. ...



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