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:
Jun. 09, 2015
Filed:
Jan. 06, 2009
Xiang H. Wang, Alpharetta, GA (US);
Jian Hua MA, Alpharetta, GA (US);
Chengliang Jiang, Duluth, GA (US);
Howard Kaplan, Atlanta, GA (US);
Xiang H. Wang, Alpharetta, GA (US);
Jian Hua Ma, Alpharetta, GA (US);
Chengliang Jiang, Duluth, GA (US);
Howard Kaplan, Atlanta, GA (US);
Enzymatic Deinking Technologies, L.L.C., Norcross, GA (US);
Abstract
Wood pulp is treated with an esterase formulation in combination with a metal ion or cationic polymer to increase the stability or activity or both of esterase enzymes at high temperature, or at extreme pH ranges of acidic and alkaline conditions. The treatment by esterase together with metals ion or cationic polymer can be used to treat pitch containing pulp at high temperatures prior to, during or after refining of wood chip/pulp, in order to enhance the reduction of pitch problems and facilitate in the manufacture of paper.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile