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:
Mar. 31, 1981
Filed:
Sep. 17, 1979
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 ...
B32B / ; B32B / ;
U.S. Cl.
CPC ...
428 97 ; 156 78 ; 156246 ; 156247 ; 156289 ; 156331 ; 156344 ; 264 451 ; 264 50 ; 428 91 ; 428 95 ; 428 96 ; 428310 ; 428315 ; 428904 ; 521 69 ;
Abstract
An imitation-leather sheet laminate material is prepared employing an acidic, heat-coagulated, cross-linkable, 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 and cross-link the polymer therein into a fine, open-cell, tough, foam layer and to remove rapidly water from the coagulated foam layer.