Invention Grant
- Patent Title: Acid donors for dyeing polyamide
- Patent Title (中): 用于染色聚酰胺的酸供体
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Application No.: US11579460Application Date: 2005-04-25
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Publication No.: US07728067B2Publication Date: 2010-06-01
- Inventor: Hans-Jorg Peter , Claudius Brinkmann
- Applicant: Hans-Jorg Peter , Claudius Brinkmann
- Applicant Address: US TX The Woodlands
- Assignee: Huntsman International LLC
- Current Assignee: Huntsman International LLC
- Current Assignee Address: US TX The Woodlands
- International Application: PCT/EP2005/051828 WO 20050425
- International Announcement: WO2005/106107 WO 20051110
- Main IPC: D06M13/224
- IPC: D06M13/224 ; D06M13/47
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.
Public/Granted literature
- US20080271260A1 Acid Donors for Dyeing Polyamide Public/Granted day:2008-11-06
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