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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.:

US 4898909 B1

PDFFull Text
Date of Patent:
Feb. 06, 1990

Filed:

Dec. 30, 1987

Aqueous polyacrylate dispersions and their use for the production of

Applicant:
Inventors:

Juergen Vietmeier, Wachenheim, DE;

Peter Pfoehler, Speyer, DE;

Gundo Brauch, Wachenheim, DE;

Wolfgang Druschke, Dirmstein, DE;

Albrecht Zosel, Weinheim, DE;

Assignee:

BASF Aktiengesellschaft, Ludwigshafen, DE;

Attorney:

Oblon, Spivak, McClelland, Maier & Neustadt

Primary Examiner:

Joseph L Schofer

Assistant Examiner:

J M Reddick

Int. Cl.
CPC ...
C08L / ;
U.S. Cl.
CPC ...
524820 ; 524819 ; 524822 ; 524823 ; 524824 ; 524828 ; 524831 ;
Abstract

Aqueous dispersions of copolymers having a glass transition temperature of not more than -45.degree. C. and a K value greater than 80 consist of not less than 80% by weight of acrylates of alkanols of 8 to 12 carbon atoms, from 1 to 4% by weight of .alpha.,.beta.- monoolefinically unsaturated carboxylic acids and/or their amide derivatives and from 0.1 to 3% by weight of .alpha.-methylstyrene, and are used for the production of self-adhesive structures having good tack at as low as -40.degree. C.

Find Patent Forward Citations

Vietmeier, Juergen. (1990). Aqueous polyacrylate dispersions and their use for the production of (U.S. Patent No. 4898909). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4898909

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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