Treatment of keratinous fibres and fabrics
Abstract
Abstract A PROCESS FOR MODIFYING KERATINOUS MATERIAL WHICH COMPRISES (1) TREATING THE MATERIAL WITH AN ESTER WHICH CONTAINS AT LEAST TWO MERCAPTAN GROUPS PER MOLECULE AND WHICH IS A PRODUCT OF THE REACTION OF (A) AT LEAST ONE MONOMERCAPTOMONOCARBOXYLIC ACID OR MONOMERCAPTOMONOHYDRIC ALCOHOL, (B) AT LEAST ONE COMPOUND CONTAINING, PER MOLECULE, AT LEAST TWO ALCOHOLIC HYDROXYL GROUPS OR AT LEAST ONE 1,2-EPOXIDE GROUP, AND (C) AT LEAST ONE COMPOUND CONTAINING, PER MOLECULE, AT LEAST TWO CARBOXYLIC ACID GROUPS, OR AN ANHYDRIDE THEREOF, AND (2) CURING THE ESTER ON THE MATERIAL. BY THIS PROCESS THE KERATINOUS MATERIAL IS RENDERED RESISTANT TO SHRINKAGE, AND DURABLE PRESS CHARACTERISTICS ARE IMPARTED TO IT. KERATINOUS MATERIAL SO TREATED IS WASHABLE WITHOUT ESSENTIAL LOST OF ITS FINISH AND KEEPS ITS SMOOTH HANDLE.
Inventors
- 👤 Bryan Dobinson
- 👤 Paul Hope
- 👤 Kenneth Winterbottom
- 👤 Trevor Shaw
Bibliographic Details
Claims Analysis
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| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
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