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Vinay K Chandraker, 627500 Bellerive Dr, Houston, TX 77036
Vinay Chandraker Phones & Addresses
7500 Bellerive Dr, Houston, TX 77036
7500 Bellerive Dr #605, Houston, TX 77036
Missouri City, TX
143 Selkirk Dr, Sugar Land, TX 77479 281-2656266
Rosenberg, TX
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Resumes
Vinay Chandraker
Location:
Houston, Texas Area
Industry:
Computer Software
Vinay Chandraker
Publications & IP owners
Us Patents
Polymer Cleaning Compositions And Methods
US Patent:
6060445, May 9, 2000
Filed:
Mar 31, 1997
Appl. No.:
8/829401
Inventors:
Vinay Kumar Chandraker - Houston TX
Hidemasa Oda - Okayama, JP
Hidemasa Oda - Okayama, JP
Assignee:
EVAL Company of America - Lisle IL
International Classification:
C11D 337
US Classification:
510475
Abstract:
This invention pertains to cleaning compositions and methods for cleaning a first polymer composition from polymer processing apparatus. The cleaning compositions generally comprise a second polymer composition and at least one metal salt composition wherein the respective metal is selected from alkaline earth and transition metals. The second polymer composition has an affinity, for the first polymer, of "Ad" between 50 and about 1500, where "Ad" is adhesive strength, grams/15 mm width, between the first and second polymer compositions in a multiple layer cast coextruded film. The cleaning composition comprises about 0. 001 to about 10 weight percent metal salt composition based on total weight of the cleaning composition. A 50/50 weight percent mixture of the second polymer composition, and a third polymer composition which can be processed in polymer processing apparatus suitable for processing the first polymer composition, preferably has a melt index ratio MI-mix. sub. 60 /MI-mix. sub. 6 of 0.
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