Recoverable polymer-bound homogeneous catalysts for...

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...

Reexamination Certificate

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C526S169100, C526S904000, C526S069000, C526S329700, C526S318000, C526S318400, C526S303100, C526S341000, C526S332000, C526S346000, C526S344000, C526S279000, C502S171000

Reexamination Certificate

active

08030422

ABSTRACT:
Disclosed herein are novel polymer-tethered ligands, metal complexes comprising these ligands, and the use of these complexes as chain transfer catalysts to control the molecular weight of oligomeric and polymeric materials produced in a radical polymerization process. The materials made by the processes disclosed herein have significantly reduced color, making them suitable for a wide range of color-critical end-uses, including automotive coatings.

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