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:
Mar. 08, 2011
Filed:
May. 18, 2007
Qu-ming Gu, Bear, DE (US);
Ronald R. Staib, Hockessin, DE (US);
Qu-Ming Gu, Bear, DE (US);
Ronald R. Staib, Hockessin, DE (US);
Hercules Incorporated, Wilmington, DE (US);
Abstract
Several Michael addition adducts of vinylamines with α,β. -unsaturated alkyl carbonyl compounds including amides, esters and acids, particularly acrylamide are presented. Additionally, a process for producing these Michael addition adducts is described. These adducts are generally useful in the manufacture of paper and are particularly useful as dry strength additives to make paperboard products using a papermaking machine.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile