Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From silicon reactant having at least one...
Patent
1990-01-18
1992-11-24
Bleutge, John C.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From silicon reactant having at least one...
351160R, 525105, 525937, 526279, C08G 7700
Patent
active
051662981
ABSTRACT:
An oxygen-permeable transparent polymer composition for contact lenses of the rigid type comprises at least a first constituent having ethylene double bonds of the type which is polymerizable in a rigid matrix, and a second constituent formed by a silane monomer containing at least two silyl -SiH groups per molecule. The composition can include a third constituent of the polyorganosiloxysilane type.
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patent: 4332922 (1982-06-01), Kossmehl et al.
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patent: 4594401 (1986-06-01), Takahashi et al.
patent: 4622376 (1986-11-01), Misura et al.
G. Odian, Principles of Polymerization, 1970, pp. 32 and 33.
Brossas Jean
Friedmann Gilbert
Sperry Pascal
Aylward D. E.
Bleutge John C.
Essilor International "Compagnie Generale d'Optique"
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