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:
Dec. 22, 1998
Filed:
Sep. 14, 1995
Applicant:
Inventors:
Paul Russell Swartz, Perrysburg, OH (US);
George Nicholas Ello, Toledo, OH (US);
Assignee:
Johns Manville International, Inc., Denver, CO (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ; B32B / ;
U.S. Cl.
CPC ...
442180 ; 428141 ; 428143 ; 442180 ; 442331 ;
Abstract
Methods for making nonwoven fibrous mats that produce superior tear strengths in roofing products, and the mats produced by the method, are disclosed. The mats comprise glass fiber bonded together with a dried and cured mixture of aqueous urea formaldehyde resin and a self crosslinking copolymer of vinyl acrylic or polyvinyl acetate.
Swartz, Paul. (1998). Method for making fiber glass mats and improved mats using this method (U.S. Patent No. 5851933). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5851933
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile