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:
Oct. 17, 1989
Filed:
Apr. 21, 1989
Applicant:
Inventors:
Jurgen Borchers, Laatzen, DE;
Petra Bubolz, Garbsen, DE;
Assignee:
Pelikan Aktiengesellschaft, Hanover, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08L / ;
U.S. Cl.
CPC ...
524516 ; 524523 ; 525378 ;
Abstract
An alkaline aqueous adhesive of a poly(meth-)acrylate base which contains poly(meth-)acrylate and polyvinylpyrollidone in a total amount of 5 to 40% by weight in the adhesive and in a weight ratio of 10:1 to 1:5. The poly(meth-)acrylate contains free carboxyl groups and has a degree of esterification of 0.55 to 0.9. The adhesive has a wide range of applications and can be transparent.