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Inventor: Mazzone; Jean-Pierre
Address: Villiers-sur-Marne, FR
No. of patents: 1
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| 4222747 |
Polishing material for ophthalmic lenses |
September 16, 1980 |
| The invention relates to a polishing material of the type containing powdered cerium oxide suspended in water.According to the invention, this polishing material also contains, in combination, a substance for use as a thickener and a substance for reducing the surface tension.The polishi |
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