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:
Jun. 22, 1976
Filed:
Jan. 09, 1975
Applicant:
Inventors:
Frank Kleiner, Cologne, DT;
Wolfgang Becker, Hilden, DT;
Karl Heinz Muller, Quadrath-Ischendorf, DT;
Assignee:
Bayer Aktiengesellschaft, , DT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F / ;
U.S. Cl.
CPC ...
260 / ; 264170 ; 264211 ; 526 14 ; 526 20 ; 526 49 ;
Abstract
A process for the continuous production of a foamed foil from a polymer based on an .alpha.,.beta.-monolefinically unsaturated monomer wherein 0.05 to 0.2 % by weight of a diamide obtained by reacting an aliphatic diamine and at least one aliphatic monocarboxylic acid having at least 4 carbon atoms is added to the solid or molten polymer in addition to the chemical blowing agent before or while the polymer is processed.