Plastic and nonmetallic article shaping or treating: processes – Optical article shaping or treating – Utilizing plasma – electric – electromagnetic – particulate – or...
Patent
1985-09-20
1988-03-22
Lowe, James
Plastic and nonmetallic article shaping or treating: processes
Optical article shaping or treating
Utilizing plasma, electric, electromagnetic, particulate, or...
264 21, 264 22, 264311, 425808, B29D 1100
Patent
active
047327154
ABSTRACT:
While polymerizing a contact lens monomer in a mold, grooves or other surface configurations are formed on the resulting polymeric lens surface by irradiating the monomer through a mask pattern which corresponds to the grooves or other desired configurations.
REFERENCES:
patent: 2525664 (1950-10-01), Gadsby et al.
patent: 3408429 (1968-10-01), Wichterle
patent: 3496254 (1970-02-01), Wichterle
patent: 4022855 (1977-05-01), Hamblen
patent: 4113224 (1978-09-01), Clark et al.
Bawa Rajan
Deichert William G.
Bausch & Lomb Incorporated
Blank Christopher E.
Bogdon Bernard D.
Larson Craig E.
Lowe James
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