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:
Mar. 02, 1976
Filed:
May. 14, 1974
Applicant:
Inventors:
Kozo Saitoh, Tokyo, JA;
Sumio Izumi, Kobubunji, JA;
Assignee:
Mitsui Mining & Smelting Co., Ltd., Tokyo, JA;
Primary Examiner:
Int. Cl.
CPC ...
B03D / ;
U.S. Cl.
CPC ...
209166 ; 162-5 ;
Abstract
A method for the separation of a mixture of a polyester and a cellulose derivative comprising introducing gas bubbles into an aqueous liquid medium containing the mixture of the polyester and the cellulose derivative, optionally in the presence of at least one wetting agent and at least one flotation agent thereby separating the mixture by flotation into the polyester and the cellulose derivative.
Saitoh, Kozo. (1976). Method for separation of mixture of polyester and cellulose derivative (U.S. Patent No. 3941688). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/3941688
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile