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:
Aug. 09, 1977
Filed:
Jun. 17, 1975
Applicant:
Inventor:
Paul C Litzinger, Camas, WA (US);
Assignee:
Crown Zellerbach Corporation, San Francisco, CA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C08L / ;
U.S. Cl.
CPC ...
106170 ; 106187 ; 106196 ; 106203 ; 1621 / ; 264 13 ; 264207 ; 264211 ;
Abstract
Discrete cellulose acetate fibers are produced by flashing an emulsion of cellulose acetate, water, and a solvent which is miscible with the water at the temperature at which the emulsion is flashed. The fibers can be used directly to make paper in accordance with conventional papermaking methods.
Litzinger, Paul. (1977). Production of discrete cellulose acetate fibers by emulsion flashing (U.S. Patent No. 4040856). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4040856
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile