The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 19, 1976
Filed:
Nov. 06, 1974
William J Schultz, White Bear Lake, MN (US);
Samuel Smith, Roseville, MN (US);
Minnesota Mining and Manufacturing Company, Saint Paul, MN (US);
Abstract
A durably soil-resistant pile fabric, such as a carpet, is provided which comprises a plurality of organic fibers having thereon a normally solid coating comprising (a) a first phase of a water-insoluble fluoroaliphatic radical free urethane adduct having at least one major transition temperature higher than about 45.degree. C. and melting to a flowable liquid below about 200.degree. C. and (b) a second phase of waterinsoluble fluoroaliphatic radical containing urethane adduct having at least one major transition temperature higher than about 45.degree. C. and melting to a flowable liquid below about 200.degree. C.