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Polyester resin compositions for calendering
   
Document Number
US Patent 7279123
Issued Date
October 9, 2007
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Abstract
A polyester resin composition is calendered to produce a film or a sheet. The polyester resin composition is a polyester having a crystallization half time from a molten state of at least 5 minutes combined with an additive for preventing sticking of the polyester to calendering rolls.
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Number of Claims:
19
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Owner
Eastman Chemical Company (Kingsport, TN)
Published
October 9, 2007
Application Number
11/000,773
Filed
December 1, 2004
US Classification
264/132   264/173.1 264/175 264/300 264/319 528/272
Int'l Classification
B29C   43/24   (20060101)  
Examiner
Parent Case
CROSS REFERENCES TO RELATED APPLICATIONS This application is a continuation of U.S. application Ser. No. 10/284,615 filed on Oct. 31, 2002, now U.S. Pat. No. 6,846,440; which is a continuation of U.S. application Ser. No. 09/576,425 filed on May 22, 2000, now U.S. Pat. No. 6,551,699; which is a division of U.S. application Ser. No. 09/258,365 filed on Feb. 26, 1999, now U.S. Pat. No. 6,068,910; which claims the benefit of the filing date of U.S. Provisional Appl. No. 60/078,290 filed on Mar. 17,1998.
USPTO Field of Search
264/132   264/173.1   264/175   264/300   264/319   528/272  
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