Patent ID: 11872292
Assignee: 3M INNOVATIVE PROPERTIES COMPANY
Field: Pharmaceuticals (Chemistry)
Classification: CPC A | IPC A

Claim 16:
17. The process of claim 16, wherein one or more of:
the starter
selected from Lewis acids, Brønsted acids, precursors of Lewis acids, precursors of Brønsted acids, or a mixture thereof;
the photo-initiator (B-I) selected from alpha-diketone component(s), phosphine oxide component(s), or a mixture thereof,
the photo initiator being characterized by one or more of the following features:
having a light absorption band in the range of 300 to 800 nm; and
molecular weight: from 50 to 1,000 g/mol;

the cationically curable components (A) being characterized by at least one of the following:
molecular weight: from 150 to 20,000 g/mol; and
viscosity: from 15 to 300 Pa*s at 23° C.; and

the radiation curable components (B) optionally further comprising a urethane moiety, and being characterized by at least one of the following:
molecular weight: from 200 to 3,000 g/mol; and
viscosity: from 0.01 to 100 Pa*s at 23° C.