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Charles M Buchanan, Robert M Gardner, Alan W White: Aliphatic-aromatic copolyesters and cellulose ester/polymer blends. Eastman Chemical Company, Betty J Boshears, Harry J Gwinnell, August 29, 1995: US05446079 (137 worldwide citation)

This invention relates to binary blends of cellulose esters and aliphatic-aromatic copolyesters, cellulose esters and aliphatic polyesters as well as ternary blends of cellulose esters and/or aliphatic polyesters and/or aliphatic-aromatic copolyesters and/or polymeric compounds as well as fibers, mo ...


2
Kishan C Khemani, James W Mercer Jr, Richard L McConnell: Concentrates for improving polyester compositions and method of making same. Eastman Chemical Company, Betty J Boshears, Harry J Gwinnell, August 5, 1997: US05654347 (122 worldwide citation)

Disclosed is a concentrate useful as an additive in a polyester composition comprising a polyolefin and a polyfunctional carboxylic acid or polyol branching agent. Also disclosed is a method of preparing a polyester composition having increased melt viscosity and melt strength, and improved impact s ...


3
S Richard Turner, Bobby J Sublett: Low melt viscosity amorphous copolyesters with enhanced glass transition temperatures. Eastman Chemical Company, Cheryl Tubach, Harry J Gwinnell, September 19, 2000: US06120889 (117 worldwide citation)

The invention relates to an amorphous copolyester having a maximum melt viscosity at 1 radian/second and at about 260 to about 290.degree. C. of about 12000 poise, a glass transition temperature ranging from about 88.degree. C. to about 120.degree. C., and an inherent viscosity of at least about 0.6 ...


4
Kishan Chand Khemani, Carlos Humberto Juarez Garcia, Gary Darrel Boone: Foamable polyester compositions having a low level of unreacted branching agent. Eastman Chemical Company, Cheryl J Tubach, Harry J Gwinnell, December 9, 1997: US05696176 (117 worldwide citation)

This invention relates to a process for preparing foamable branched polyester compositions having increased melt viscosity and melt strength, and a reduced level of unreacted monomeric branching agent. The process involves melt blending (A) a composition containing a polyolefin and branching agent, ...


5
Charles M Buchanan, Robert M Gardner, Matthew D Wood, Alan W White, Steven C Gedon, Fred D Barlow Jr: Aliphatic-aromatic copolyesters and cellulose ester/polymer blends. Eastman Chemical Company, Betty J Boshears, Harry J Gwinnell, February 4, 1997: US05599858 (116 worldwide citation)

This invention relates to binary blends of cellulose esters and aliphatic-aromatic copolyesters, cellulose esters and aliphatic polyesters as well as ternary blends of cellulose esters and/or aliphatic polyesters and/or aliphatic-aromatic copolyesters and/or polymeric compounds as well as fibers, mo ...


6
Charles M Buchanan, Robert M Gardner, Matthew D Wood, Alan W White, Steven C Gedon, Fred D Barlow Jr: Aliphatic-aromatic copolyesters and cellulose ester/polymer blends. Eastman Chemical Company, Betty J Boshears, Harry J Gwinnell, September 24, 1996: US05559171 (113 worldwide citation)

This invention relates to binary blends of cellulose esters and aliphatic-aromatic copolyesters, cellulose esters and aliphatic polyesters as well as ternary blends of cellulose esters and/or aliphatic polyesters and/or aliphatic-aromatic copolyesters and/or polymeric compounds as well as fibers, mo ...


7
Valerie Sue Adams, James Earl Hataway, Kenneth Alan Roberts: Process for preparing copolyesters of terephthalic acid ethylene glycol and 1 4-cyclohexanedimethanol exhibiting a neutral hue high clarity and increased brightness. Eastman Chemical Company, Andrew B Griffis, Harry J Gwinnell, October 28, 1997: US05681918 (113 worldwide citation)

This invention relates to a three step process for preparing copolyesters exhibiting a neutral hue, high clarity and increased brightness. The process involves reacting terephthalic acid, ethylene glycol, and 1,4-cyclohexanedimethanol in a feed mole ratio of total glycols to dicarboxylic acid of 1.7 ...


8
Christopher Edward Scott, John C Morris, James Rodney Bradley: Clear polycarbonate and polyester blends. Eastman Chemical Company, Betty J Boshears, Harry J Gwinnell, March 28, 2000: US06043322 (106 worldwide citation)

A blend of polycarbonates of dihydroxydiphenyl cycloalkanes and optionally 4,4'-isopropylidenediphenol with polyesters from terephthalic acid, isophthalic acid, 1,4-cyclohexanedimethanol and 2,2,4,4-tetramethyl-1,3-cyclobutanediol, having the advantage of being colorless and providing an unexpected ...


9
Charles M Buchanan, Robert M Gardner, Matthew D Wood, Alan W White, Steven C Gedon, Fred D Barlow Jr: Aliphatic-aromatic copolyesters and cellulose ester/polymer blends. Eastman Chemical Company, Betty J Boshears, Harry J Gwinnell, December 3, 1996: US05580911 (105 worldwide citation)

This invention relates to binary blends of cellulose esters and aliphatic-aromatic copolyesters, cellulose esters and aliphatic polyesters as well as ternary blends of cellulose esters and/or aliphatic polyesters and/or aliphatic-aromatic copolyesters and/or polymeric compounds as well as fibers, mo ...


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