Plastic lens and method of manufacturing thereof
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
May 17, 1988
Issued Date -
N/A
app pub date -
Aug 18, 1986
filing date -
Jan 27, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A plastic lens having a refractive index of not less than 1.55, comprising a polymer formed from dimethallyl phthalate as major monomeric constituent and, if necessary, one or more monomers represented by the general formula ##STR1## wherein R.sub.1 and R.sub.2 represent each a hydrogen atom or methyl group and m and n represent each an integer of from 0 to 3, or ##STR2## wherein R.sub.3 and R.sub.4 represent each a hydrogen atom or methyl group and n represents an integer of from 2 to 9. A method for manufacturing such a lens is also disclosed.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Advertisement
Advertisement
Advertisement
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully