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:
Apr. 11, 1978
Filed:
Sep. 19, 1975
Applicant:
Inventor:
Fred E Woodward, West Palm Beach, FL (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C01B / ;
U.S. Cl.
CPC ...
423320 ; 252358 ;
Abstract
In the manufacture of phosphoric acid by the acidulation of phosphate rock detrimental foaming is reduced by the use of certain phosphate esters of aliphatic alcohols as defoaming agents. Aqueous emulsions of such esters comprise novel, useful compositions of matter.