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:
May. 26, 1998
Filed:
Feb. 06, 1997
Heinz-Dieter Schumann, Maintal, DE;
Ulrich Thiele, Bruchkoebel, DE;
Zimmer Aktiengesellschaft, , DE;
Abstract
The present invention is a pre-oriented, undrawn polyester fiber spun with spooling speeds of at least 3,000 m/min., wherein the polyester is a copolymer comprised essentially of ethylene terephthalate units and up to 10 weight % of other dicarboxylic acids or other diols, and carboxy phosphonic acid units of the formula: ##STR1## wherein R is selected from C.sub.1-10 -alkylene, C.sub.1-10 -cycloalkylene or C.sub.6-10 -arylene, in a quantity corresponding to 30 to 500 ppm phosphorus, in relation to polyester. The invention also comprises a process for the production of this fiber.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile