Method of manufacturing hollow fiber
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Aug 18, 1981
Grant Date -
N/A
app pub date -
Dec 11, 1979
filing date -
Dec 20, 1978
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method of manufacturing a hollow fiber in which a spinning solution of cellulose ester dissolved into an organic solvent is extruded from an annular slit, and simultaneously a core liquid is introduced into the inside hollow portion of the extruded spinning solution, the core liquid being selected from the group of hydroxycarboxylic acid, derivative of hydroxycarboxylic acid, monoterpene or these mixture, or consisting of a solution of the above-described compound or mixture.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Advertisement
Advertisement
Advertisement
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully