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. 04, 1981
Filed:
May. 11, 1978
Applicant:
Inventors:
Armin Kohler, Dormagen, DE;
Peter Hoffmann, Leverkusen, DE;
Herbert Pelousek, Dormagen, DE;
Eduard Specht, Dormagen, DE;
Assignee:
Bayer Aktiengesellschaft, Leverkusen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08K / ; D01F / ;
U.S. Cl.
CPC ...
260 / ; 8489 ; 8494 ; 264 78 ; 2641 / ; 264211 ; 521 76 ;
Abstract
The invention relates to polyester filaments and fibers and a process for the production of such polyester filaments and fibers which can be dyed in the absence of a carrier which comprises introducing into the polymer to be spun a silicate charged with an inert gas melt, spinning the mixture obtained in known manner and further processing into filaments or fibers.