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. 04, 1978
Filed:
Dec. 20, 1976
Applicant:
Inventors:
Rudi Heyden, Erkrath, DT;
Adolf Asbeck, Dusseldorf, DT;
Michael Eckelt, Dusseldorf, DT;
Manfred Petzold, Dusseldorf, DT;
Gunter Uphues, Dusseldorf, DT;
Assignee:
Henkel Kommanditgesellschaft auf Aktien, Dusseldorf-Holthausen, DT;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
252321 ; 252358 ; 2605 / ; 2605 / ; 2605 / ; 2605 / ; 2604 / ;
Abstract
Antifoam compositions on the basis of a bis-.alpha.-hydroxyamine derivative of the formula ##STR1## wherein A is --NHCO--R.sub.3 --CONH-- or --NHCONH--R.sub.3 --NHCONH--, R.sub.1 and R.sub.2 are H or alkyl having 1 to 22 carbon atoms and the sum of the carbon atoms in R.sub.1 and R.sub.2, in each case, is from 8 to 22,
Heyden, Rudi. (1978). Antifoam compositions and process with bis-.alpha.-hydroxyamine (U.S. Patent No. 4082689). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4082689
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile