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. 10, 2015
Filed:
Apr. 05, 2012
Bir Kapoor, Mumbai, IN;
Preeti Lodha, Mumbai, IN;
Parag Patil, Mumbai, IN;
Aditya Shrivastava, Nagda, IN;
Kishore Shouche, Nagda, IN;
Eric Uerdingen, Speyer, DE;
Michael Siemer, Mannheim, DE;
Thomas Wisniewski, Bensheim, DE;
Uwe Vagt, Mannheim, DE;
Massonne Klemens, Bad Durkheim, DE;
Bir Kapoor, Mumbai, IN;
Preeti Lodha, Mumbai, IN;
Parag Patil, Mumbai, IN;
Aditya Shrivastava, Nagda, IN;
Kishore Shouche, Nagda, IN;
Eric Uerdingen, Speyer, DE;
Michael Siemer, Mannheim, DE;
Thomas Wisniewski, Bensheim, DE;
Uwe Vagt, Mannheim, DE;
Massonne Klemens, Bad Durkheim, DE;
Grasim Industries Limited, Nagda, IN;
Abstract
The present invention provides a process for producing low fibrillating cellulose fibers by a dry-jet-wet spinning process wherein cellulose is treated with a solvent containing imidazolium ionic salt in a spinneret maintained at a temperature of 100-120° C. and the spun fibers drawn to the coagulation bath containing ionic salt with the draw ratio less than 5, to produce fibers with fibrillating index less than or equal to 3.