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. 28, 1978
Filed:
Sep. 17, 1976
Applicant:
Inventor:
Lawrence Westcott, Cefn Cribwr, near Bridgend, WA;
Assignee:
Wiggins Teape Limited, London, EN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ; B41L / ; B41M / ; B41M / ;
U.S. Cl.
CPC ...
282 275 ; 162290 ; 427150 ; 427152 ; 428173 ; 428206 ; 428207 ; 428211 ; 428212 ; 428306 ; 428914 ;
Abstract
Paper for use in pressure-sensitive copying systems consists of a base paper one surface of which is machine glazed and the opposite surface of which is left rough due to expulsion of moisture during manufacture. Those sheets which are provided with a color reactant have the reactant applied to the glazed surfaces thereof and those sheets which are provided with a microcapsule coating have the microcapsule coating applied to the rough surfaces thereof.