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.:

US 7999066 B1

PDF
Full Text
Expired
Date of Patent:
Aug. 16, 2011

Filed:

Feb. 12, 2007
Applicants:

Sven Balk, Frankfurt, DE;

Gerd Loehden, Essen, DE;

Christine Miess, Kahl, DE;

Christine Troemer, Hammersbach, DE;

Monika Maerz, Alzenau, DE;

Inventors:

Sven Balk, Frankfurt, DE;

Gerd Loehden, Essen, DE;

Christine Miess, Kahl, DE;

Christine Troemer, Hammersbach, DE;

Monika Maerz, Alzenau, DE;

Assignee:

Evonik Roehm GmbH, Darmstadt, DE;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08C 1/14 (2006.01);
U.S. Cl.
CPC ...
Abstract

The present invention relates to a precipitation process for removing transition metals from polymer solutions. Specifically, it comprises the removal of transition metal complexes which usually comprise copper from polymer solutions after a completed atom transfer radical polymerization.


Find Patent Forward Citations

Balk, Sven. (2011). Copper removal from atrp products by means of addition of sulfur compounds (U.S. Patent No. 7999066). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7999066

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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