C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
18/49, 530/15.06
C08L 89/04 (2006.01) A61K 35/36 (2006.01) A61L 15/32 (2006.01) C07K 15/06 (1990.01)
Patent
CA 1322716
ABSTRACT OF THE DISCLOSURE Ophthalmologic collagen coverings derived from animal eyes and a process for 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 aqueous solution of an organic acid, purification of the resulting solution of collagen by dialysis against a buffer solution while bringing the solution of collagen to a pH of 4.5 to 7.5 and drying the thus-obtained solution of collagen simultaneously with shaping spherical coverings therefrom.
546979
Amstislavskaya Tatyana Stepanovna
Bagrov Sergey Nikolayevich
Fyodorov Svyatoslav Nikolayevuch
Maklakova Irina Aleksandrovna
Maslenkov Sergey Valentinovich
Moscow Research Institute Of Eye Microsurgery
Osler Hoskin & Harcourt Llp
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