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:
Jul. 21, 1981
Filed:
Oct. 01, 1980
Applicant:
Inventors:
Friedrich Kruger, Edingen, DE;
Walter Michel, Ilvesheim, DE;
Assignee:
Joh. A. Benckiser GmbH, Ludwigshafen, DE;
Primary Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
210700 ; 252 82 ; 252180 ; 252D / ; 252525 ; 252544 ; 25217416 ; 260932 ;
Abstract
A process for inhibiting the formation of mineral deposits from a water using novel N,N'-dialkylureidomethane diphosphonic acids and their alkaline salts having the formula: ##STR1## wherein R.sub.1 and R.sub.2 represent separate alkyl groups having one to three carbon atoms or a ring-forming alkylene group having two or three carbon atoms and R is hydrogen or an alkali metal.
Kruger, Friedrich. (1981). Process for inhibiting the formation of mineral deposits from a water (U.S. Patent No. 4279758). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4279758
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile