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:
Dec. 18, 1990
Filed:
Aug. 29, 1988
Applicant:
Inventors:
Jim C Sun, Midlothian, VA (US);
Mark B Boone, Richmond, VA (US);
James J Dunbar, Mechanicsville, VA (US);
Gene C Weedon, Richmond, VA (US);
Assignee:
Allied-Signal Inc., Morristownship, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D01F / ;
U.S. Cl.
CPC ...
264180 ; 264184 ; 264203 ; 26421116 ;
Abstract
A method of extracting a material from a continuous running length of fiber comprising continuously moving the fiber through a conduit while simultaneously flowing a solvent for the material through the conduit with the conduit having a length and cross sectional area sufficient to facilitate extraction of the desired amount of the material. The flow is countercurrent to the movement of the fiber.