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:
Nov. 28, 1978
Filed:
Nov. 19, 1976
Applicant:
Inventors:
Shunsuke Matsushima, Ibaraki, JP;
Kiyoshi Kawai, Toyonaka, JP;
Assignee:
Sumitomo Chemical Company, Limited, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D21F / ;
U.S. Cl.
CPC ...
264 13 ; 1621 / ; 264140 ; 264329 ; 528502 ;
Abstract
A process for producing poly-.alpha.-olefin short fibers, which is characterized by further increasing the pressure of a solution system comprising a fiber-forming crystalline poly-.alpha.-olefin and a solvent and existing in the form of a solution mixture of two liquid phases at an elevated temperature and pressure, and immediately thereafter ejecting the solution system under pressure through a nozzle or orifice.
Matsushima, Shunsuke. (1978). Process for producing polyolefin short fibers (U.S. Patent No. 4127623). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4127623
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile