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:
May. 02, 1978
Filed:
Jul. 28, 1975
David B Skinner, Allentown, PA (US);
GAF Corporation, New York, NY (US);
Abstract
Sections of sheet vinyl flooring having polyurethane wear layers are joined together with a sealing composition comprising between about 10 and about 75 wt. % uncured polyurethane, between about 20 and about 85 wt. % tetrahydrofuran and between about 5 and about 60 wt. % of an organic solvent for the polyurethane. The uncured polyurethane is preferably in the form of polyurethane prepolymer of the moisture/cure type and the organic solvent for the polyurethane preferably has an evaporation rate not more than 95 percent of the evaporation rate of the tetrahydrofuran.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile