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:
May. 15, 1979
Filed:
Feb. 21, 1978
Applicant:
Inventors:
Joseph V Otrhalek, Dearborn, MI (US);
Gilbert S Gomes, Southgate, MI (US);
Gunther H Elfers, Grosse Ile, MI (US);
Assignee:
BASF Wyandotte Corporation, Wyandotte, MI (US);
Primary Examiner:
Int. Cl.
CPC ...
D21C / ;
U.S. Cl.
CPC ...
260 977 ; 162 16 ; 260 976 ; 526317 ;
Abstract
A free-radical prepolymer, disclosed in U.S. Pat. No. 3,873,417 as being a dispersant, when added at 10 to 500 parts per million to a reaction mixture in which raw tall oil soap is acidulated to obtain tall oil, is found to act as a separating agent and increase the quantity of tall oil recovered.