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:
Sep. 23, 1980
Filed:
May. 22, 1978
Applicant:
Inventors:
Manuel J Veiga, Lowell, MA (US);
Richard E Petersen, Concord, MA (US);
Assignee:
Compo Industries, Inc., Waltham, MA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B29D / ; B32B / ; B32B / ;
U.S. Cl.
CPC ...
428315 ; 156 78 ; 156 79 ; 156246 ; 156247 ; 156334 ; 156344 ; 264 41 ; 264 50 ; 428904 ;
Abstract
An imitation-leather sheet laminate material is prepared employing an acidic, heat-coagulated, carboxylated, elastomeric latex polymer, wherein the acidic latex polymer is coated onto a top resin skin layer and a fibrous base sheet is placed on the wet foam layer, which method comprises: shock-heating the wet foam layer to coagulate the carboxylated polymer therein into a fine, open-cell, tough foam layer and to remove rapidly water from the coagulated foam layer.