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:
Nov. 30, 2021
Filed:
Jun. 19, 2019
Hyperbranched polymer, metal recovery agent, metal recovery method, and catalytic activity inhibitor
Applicant:
Maxell Holdings, Ltd., Kyoto, JP;
Inventors:
Assignee:
MAXELL, LTD., Kyoto, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 12/30 (2006.01); C22B 11/00 (2006.01); B01J 20/26 (2006.01); B01J 20/32 (2006.01); C23C 18/18 (2006.01); C08F 212/36 (2006.01); C08F 220/56 (2006.01); C08F 8/30 (2006.01); C08F 293/00 (2006.01);
U.S. Cl.
CPC ...
C08F 12/30 (2013.01); B01J 20/261 (2013.01); B01J 20/3214 (2013.01); B01J 20/3276 (2013.01); C08F 8/30 (2013.01); C08F 212/36 (2013.01); C08F 220/56 (2013.01); C08F 293/00 (2013.01); C22B 11/00 (2013.01); C22B 11/04 (2013.01); C23C 18/18 (2013.01);
Abstract
There is provided a hyper-branched polymer represented by the following formula (1) and having a weight-average molecular weight in a range of 1,000 to 1,000,000. In the formula (1), Ais a group containing an aromatic ring, Ais a group containing an amide group, Ais a group containing sulfur, Ris hydrogen or a substituted or unsubstituted hydrocarbon group having 1 to 10 carbon atoms, ml is in a range of 0.5 to 11, and n1 is in a range of 5 to 100.