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Machine translation
1. (WO1981000536) OPHTHALMIC LENS BLANK WITH PROTECTIVE COATING
Latest bibliographic data on file with the International Bureau   

Pub. No.:    WO/1981/000536    International Application No.:    PCT/US1980/000958
Publication Date: 05.03.1981 International Filing Date: 28.07.1980
IPC:
B29D 11/00 (2006.01), C08F 290/02 (2006.01), C08F 299/02 (2006.01), C08G 18/67 (2006.01)
Applicants:
Inventors:
Priority Data:
70891 29.08.1979 US
Title (EN) OPHTHALMIC LENS BLANK WITH PROTECTIVE COATING
(FR) EBAUCHE DE LENTILLE OPHTALMIQUE AVEC REVETEMENT PROTECTEUR
Abstract: front page image
(EN)An article of manufacture that comprises an ophthalmic lens blank (2) that has a polymerized layer of an oligomeric composition (4) on its finished surface (3). The oligomeric composition (4) protects the finished surface (3) from mechanical damage and thermal shock. The oligomeric composition (4) also adheres a rigid lens block (8) to the blanks (2) through a fusible metal alloy (6). A process for altering the unfinished surface of an ophthalmic lens blank (2) is also provided.
(FR)Article manufacture comprenant une ebauche de lentille ophtalmique (2) ayant un revetement polymerise d"une composition oligomere (4) sur sa surface finie (3). La composition oligomere (4) protege la surface finie (3) d"un dommage mecanique et d"un choc thermique. La composition oligomere (4) colle aussi un bloc de lentille rigide (8) aux ebauches (2) grace a un alliage metallique fusible (6). Un procede de modification de la surface non finie d"une ebauche de lentille opthalmique est egalement decrit.
Designated States:
Publication Language: English (EN)
Filing Language: English (EN)