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. 08, 2005
Filed:
Feb. 06, 2002
Applicants:
Christian Maletzko, Altrip, DE;
Uwe Keppeler, Hochdorf-Assenheim, DE;
Klaus Hahn, Kirchheim, DE;
Isidor DE Grave, Wachenheim, DE;
Inventors:
Christian Maletzko, Altrip, DE;
Uwe Keppeler, Hochdorf-Assenheim, DE;
Klaus Hahn, Kirchheim, DE;
Isidor de Grave, Wachenheim, DE;
Assignee:
BASF Aktiengesellschaft, Ludwigshafen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08J009/224 ; C08J009/228 ;
U.S. Cl.
CPC ...
Abstract
The invention relates to expandable polyolefin beads which comprise blowing agent and have been coated with from 0.01 to 3% by weight of a salt and/or ester of a long-chain fatty acid, preferably with calcium stearate, to prevent caking during foaming.