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:
Jun. 11, 1985
Filed:
Apr. 02, 1982
Applicant:
Inventor:
Harry Brody, Harrogate, GB;
Assignee:
Imperial Chemical Industries PLC, Hertfordshire, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D02G / ;
U.S. Cl.
CPC ...
428400 ; 428364 ; 428372 ;
Abstract
A process of melt spinning polypropylene with a wind up speed of less than 1000 meters per minute in which there is added to the polypropylene a small proportion of a polymer capable of forming an anisotropic melt in the temperature range at which the polypropylene may be melt spun and novel rough surface fibres of polypropylene containing between 0.1% and 10% by weight of the aforementioned polymer.