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:
Aug. 03, 1999
Filed:
Feb. 17, 1998
Applicant:
Inventors:
Franz-Erich Baumann, Duelmen, DE;
Norbert Wilczok, Muelheim, DE;
Assignee:
Huels Aktiengesellschaft, Marl, DE;
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
528313 ; 525427 ; 525432 ; 525934 ;
Abstract
Certain applications require polyamide powders of narrow particle size distribution and low porosity. The precipitation process of the invention incorporating a prior nucleation phase provides the desired products.