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:
Feb. 27, 2001
Filed:
Jan. 13, 1999
Nylon 6 chip and production of nylon 6 yarn and film and of further industrial articles from nylon 6
Applicant:
Inventors:
Eberhard Raue, Schoenfliess, DE;
Reiner Hagen, Berlin, DE;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 6/914 ; C08G 6/916 ;
U.S. Cl.
CPC ...
C08G 6/914 ; C08G 6/916 ;
Abstract
Nylon 6 chip is obtainable by hydrolytic polymerization of caprolactam in the presence of dicarboxylic acids as chain regulators, subsequent processing of the polymer melt into chip, extraction of the low molecular weight portions from the chip with water and subsequent drying of the chip.