| Patent Number |
Title Of Patent |
Date Issued |
| 5286829 |
Biocompatible polymer material and a process for producing same |
February 15, 1994 |
| A biocompatible material which is the product of graft-copolymerization of a water-soluble vinyl and/or an acrylate monomer with a sorption complex of polysilicic acid and collagen that has been rid of pigments, glycoproteins and proteoglycans, or a product obtained by virtue of chem |
| 5094856 |
Ophthalmological collagen coverings |
March 10, 1992 |
| Ophthalmologic collagen coverings derived from animal eyes and a process preparing such coverings comprising treatment of a fibrous tunic of an animal eye with an alkali metal hydroxide in a saturated solution of a salt of an alkali metal, followed by neutralization, dissolution in an |
| 5094855 |
Opthalmological collagen coverings |
March 10, 1992 |
| Ophthalmologic collagen coverings derived from animal eyes and a process preparing such coverings comprising treatment of a fibrous tunic of an animal eye with an alkali metal hydroxide in a saturated solution of a salt of an alkali metal, followed by neutralization, dissolution in an |
| 5093125 |
Ophthalmological collagen coverings |
March 3, 1992 |
| Ophthalmologic collagen coverings derived from animal eyes and a process preparing such coverings comprising treatment of a fibrous tunic of an animal eye with an alkali metal hydroxide in a saturated solution of a salt of an alkali metal, followed by neutralization, dissolution in an |
