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. 10, 1981
Filed:
Aug. 29, 1979
Applicant:
Inventors:
Josef K Rigler, Marl, DE;
Wolfgang Schafer, Marl, DE;
Horst Leithauser, Marl, DE;
Karl Trukenbrod, Marl, DE;
Werner Bollmann, Haltern, DE;
Assignee:
Chemische Werhe Huls AG, Marl, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08J / ;
U.S. Cl.
CPC ...
521 57 ; 521 94 ;
Abstract
Small particulate expandable styrene polymer molding compositions are prevented from acquiring static charges by coating with betaines.