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:
Feb. 25, 1992
Filed:
Dec. 20, 1990
Applicant:
Inventor:
Loren D Brake, Wilmington, DE (US);
Assignee:
E. I. Du Pont de Nemours and Company, Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
564471 ;
Abstract
A formaldehyde/amine adduct useful in water treatment having improved stability made by reacting formaldehyde and a secondary amine, limiting the water content of the adduct to no more than 30 weight percent, optionally, adding an alcohol.
Quick Actions:
Brake, Loren. (1992). Process of preparing formaldehyde/amine adducts (U.S. Patent No. 5091584). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5091584
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile