Abstract: The product of the reaction of tetrakis(hydroxymethyl)phophonium salts and primary 1,1-dihydroperfluoroalkylmines, when applied from aqueous emulsions to which basic substances have been added, renders textiles repellent to oil and water and improves their anti-stain properties.
Type:
Grant
Filed:
June 9, 1976
Date of Patent:
September 5, 1978
Assignee:
The United States of America as represented by the Secretary of Agriculture
Inventors:
William J. Connick, Jr., Samuel E. Ellzey, Jr.
Abstract: Certain chemically modified cotton fabrics have been treated with vapors of glycidol at reduced pressures in a heated chamber to impart improved wet and dry wrinkle recovery characteristics.
Type:
Grant
Filed:
May 6, 1977
Date of Patent:
April 4, 1978
Assignee:
The United States of America as represented by the Secretary of Agriculture