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. 24, 1985
Filed:
Feb. 21, 1984
Applicant:
Inventor:
Klaus Thoese, Wiesbaden, DE;
Assignee:
Hoechst Aktiengesellschaft, Frankfurt am Main, DE;
Primary Examiner:
Int. Cl.
CPC ...
G03C / ; B32B / ; B32B / ;
U.S. Cl.
CPC ...
430162 ; 428201 ; 428204 ; 428207 ; 428413 ; 4284744 ; 428480 ; 428483 ; 430273 ; 430527 ;
Abstract
Disclosed is a drafting material comprising a plastic support having on at least one surface thereof an adhesive layer, a layer of pigmented or clear lacquer and a top layer which includes a homo- or copolymer of vinyl acetate and an antistatic agent, wherein the antistatic agent contained in the top layer is a polyamino/polyamide resin modified with an epihalohydrin, preferably epichlorohydrin, the resin being a condensation product of at least one aliphatic dicarboxylic acid or polymeric carboxylic acid and at least one polyamine.