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:
Feb. 17, 1981
Filed:
Sep. 10, 1979
Applicant:
Inventor:
Peter S Columbus, Queens, NY (US);
Assignee:
Borden, Inc., Columbus, OH (US);
Primary Examiner:
Int. Cl.
CPC ...
C08L / ; C08L / ; C08L / ; C08L / ;
U.S. Cl.
CPC ...
260-8 ; 260 / ; 260 / ; 260 / ; 260 / ; 428511 ; 428518 ;
Abstract
This invention relates to polyvinyl acetate adhesives redispersible in hot and cold water in the dried film form.The adhesives comprise an emulsion of a polyvinyl acetate, an anti-coalescing polyvinylpyrrolidone and a non-volatile, water-soluble plasticizer for said anti-coalescing agent that is immiscible with the polyvinyl acetate resin, said plasticizer being present in amount to impart flexibility to the dried adhesive film and the ratio of polyvinyl acetate to anti-coalescing agent not exceeding about 8 parts by weight for each part by weight of agent.