US 12,351,659 B2
Curable composition comprising a photoinitiator
Richard Plenderleith, Wetherby (GB); Jeffrey Klang, Exton, PA (US); Jonathan Andersson, Exton, PA (US); Kangtai Ren, Exton, PA (US); William Wolf, Exton, PA (US); and Christopher Macneill, Exton, PA (US)
Assigned to Arkema France, Puteaux (FR)
Appl. No. 17/908,556
Filed by Arkema France, Cololmbes (FR)
PCT Filed Mar. 4, 2021, PCT No. PCT/EP2021/055529
§ 371(c)(1), (2) Date Sep. 1, 2022,
PCT Pub. No. WO2021/176023, PCT Pub. Date Sep. 10, 2021.
Claims priority of application No. 20305229 (EP), filed on Mar. 4, 2020.
Prior Publication US 2024/0199770 A1, Jun. 20, 2024
Int. Cl. C08F 2/50 (2006.01); A61K 8/81 (2006.01); A61Q 3/02 (2006.01); B33Y 70/00 (2020.01); C08F 222/10 (2006.01); C08F 222/22 (2006.01); G03F 7/029 (2006.01); B29C 35/08 (2006.01); B29K 33/00 (2006.01); B29K 105/16 (2006.01); B33Y 10/00 (2015.01)
CPC C08F 2/50 (2013.01) [A61K 8/8152 (2013.01); A61Q 3/02 (2013.01); B33Y 70/00 (2014.12); C08F 222/104 (2020.02); C08F 222/22 (2013.01); G03F 7/029 (2013.01); B29C 35/0805 (2013.01); B29C 2035/0827 (2013.01); B29C 35/0866 (2013.01); B29C 2035/0877 (2013.01); B29K 2033/00 (2013.01); B29K 2105/16 (2013.01); B33Y 10/00 (2014.12)] 27 Claims
OG exemplary drawing
 
1. A curable composition comprising:
a) an ethylenically unsaturated compound consisting essentially of one or more (meth)acrylate-functionalized monomers and optionally one or more (meth)acrylate-functionalized oligomers; and
b) a phosphine oxide photoinitiator having both Norrish Type I and Norrish type II activity.