US Patent 7728067 Acid donors for dyeing polyamide
Patent 7728067 was granted and assigned to Huntsman on June, 2010 by the United States Patent and Trademark Office.
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Patent abstract
An adjuvant composition comprising (A) a C1-C2carboxylic acid ester of a polyhydroxy compound containing from 2 to 20 hydroxyl groups and (B) an N-heterocyclic compound having a pKa, value of from 6 to 8 is storage-stable and suitable as an acid donor in the dyeing of polyamides.
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Patent Inventor Names
Claudius Brinkmann0
Hans-Jorg Peter0
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US Patent 07728067 Acid donors for dyeing polyamide US Patent 7728067 Acid donors for dyeing polyamide
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Patent Number
07728067
Patent Number
7728067
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US Patent 07728067 Acid donors for dyeing polyamide
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Is a
Current assignee
Patent jurisdiction
Patent number
07728067
Date of patent
June 1, 2010
Patent application number
11579460
Date Filed
April 25, 2005
Patent primary examiner
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