Macromer forming catalysts

Details Macromer forming catalysts Macromer forming catalysts

2005-07-14

2008-09-30

Berman, Susan W. (Department: 1796)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Compositions to be polymerized by wave energy wherein said...

C522S029000, C522S064000, C522S172000

Reexamination Certificate

active

07429623

ABSTRACT:
The invention is the method of preparing macromer for use in making ophthalmic lenses comprising combining two or more monomers and using a macromer-forming catalyst, wherein the macromer-forming catalyst comprises triethylamine or bismuth.

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