Glass compositions for ophthalmic lenses

Details Glass compositions for ophthalmic lenses Glass compositions for ophthalmic lenses

1976-06-02

1977-10-25

Douglas, Winston A.

Compositions: coating or plastic

Coating or plastic compositions

Metal-depositing composition or substrate-sensitizing...

106 47Q, 106 54, C03C 304, C03C 308

Patent

active

040554350

ABSTRACT:
A glass composition for an ophthalmic lens having a refractive index of at least 1.69, an Abbe value of at least 39 and a specific gravity of not more than 3.2 and comprising, in percent by weight:

REFERENCES:
patent: 3716385 (1973-02-01), Ritze
patent: 3740242 (1973-06-01), Faulstick et al.
patent: 3879207 (1975-04-01), Hartman
patent: 3964918 (1976-06-01), Hanes et al.
patent: 3970466 (1976-07-01), Faulstick

Affiliated with

Also associated with

Rating

Glass compositions for ophthalmic lenses does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Glass compositions for ophthalmic lenses, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Glass compositions for ophthalmic lenses will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-120978