Cross-linked esters of hyaluronic acid

Details Cross-linked esters of hyaluronic acid Cross-linked esters of hyaluronic acid

1987-10-13

1990-09-18

Rollins, John W.

Drug, bio-affecting and body treating compositions

Preparations characterized by special physical form

Cosmetic, antiperspirant, dentifrice

424423, 424443, 424451, 424489, 512 5, 514 54, 514844, 514880, 536 551, A61K 3170, C07G 300, C07H 100

Patent

active

049577441

ABSTRACT:
Cross-linked esters of hyaluronic acid are provided which result from the esterification of polyhydric alcohols with two or more carboxy groups of the hyaluronic acid polysaccharide. These cross-linked esters are useful in the field of biodegradable plastics for sanitary and surgical articles and in the pharmaceutical and cosmetic fields for the preparation of useful compositions and articles.

REFERENCES:
patent: 4060081 (1977-11-01), Yannas et al.
patent: 4141973 (1979-02-01), Balazs
patent: 4280954 (1981-07-01), Yannas et al.
patent: 4322523 (1982-03-01), Wagner
patent: 4328803 (1982-05-01), Pape
patent: 4440926 (1984-04-01), Mardiguian
patent: 4487865 (1984-12-01), Balazs et al.
patent: 4500676 (1985-02-01), Balazs
patent: 4582865 (1986-04-01), Balazs et al.
patent: 4605691 (1986-08-01), Balazs et al.
patent: 4636524 (1987-01-01), Balazs
patent: 4703108 (1987-10-01), Silver et al.
patent: 4713448 (1987-12-01), Balazs
patent: 4772419 (1988-09-01), Malson et al.
patent: 4851521 (1989-07-01), della Valle et al.
Chemical Abstracts 92658y (Vikha et al.).

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