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.

Date of Patent:
Apr. 25, 2023

Filed:

Dec. 18, 2018
Applicant:

Arkema Inc., King of Prussia, PA (US);

Inventors:

Robert D. Herold, Monroeville, PA (US);

Marco Herrera, Pittsburgh, PA (US);

Thomas H. Kozel, Pottstown, PA (US);

Leonard H. Palys, Downingtown, PA (US);

Brandy Slezak, Export, PA (US);

Bruno Georges Van Hemelryck, Chaponost, FR;

Assignee:

Arkema Inc., King of Prussia, PA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 64/02 (2006.01); C08F 18/24 (2006.01); C08G 64/22 (2006.01);
U.S. Cl.
CPC ...
C08G 64/0291 (2013.01); C08F 18/24 (2013.01); C08G 64/226 (2013.01);
Abstract

The present invention is directed to a polymerizable composition comprising (A) a reaction product of: (a) diethyleneglycol bischloroformate, ethyleneglycol bischloroformate, or combinations thereof; (b) allyl alcohol; (c) optionally, a cyclic polyol selected from the group consisting of a cycloaliphatic polyol having at least one secondary hydroxyl group, a heterocyclic polyol having primary and/or secondary hydroxyl groups, and mixtures thereof; and (d) optionally, at least one linear or branched aliphatic polyol having two to six hydroxyl groups; and (B) an organic peroxide comprising at least three peroxide groups. A polymerizate and/or an optical article comprising the polymerizable compositions of the invention are also provided.


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