Hydrogel compositions and structures made from same

Details Hydrogel compositions and structures made from same Hydrogel compositions and structures made from same

1993-04-30

1995-03-28

Page, Thurman K.

Drug, bio-affecting and body treating compositions

Preparations characterized by special physical form

Implant or insert

514954, 5263077, 623 5, 523113, A61F 214, C08F21800

Patent

active

054015081

ABSTRACT:
A hydrogel composition is disclosed which comprises water and a copolymer. In one embodiment, the copolymer is formed by reacting about 85% to about 99% by weight of at least one member selected from the group consisting of N,N-dimethylacrylamide, N,N-diethylacrylamide, N-methyl, N-ethylacrylamide and mixtures thereof; about 1% to about 15% by weight of at least one compound selected from the group consisting of alkyl acrylates, alkyl methacrylates and mixtures thereof wherein the alkyl group contains 1 to about 4 carbon atoms; and a minor, effective amount of at least one cross-linking agent. Such hydrogel compositions are effective as corneal inlays and onlays.

REFERENCES:
patent: 2714721 (1955-08-01), Stone, Jr.
patent: 3986510 (1976-10-01), Higuchi et al.
patent: 4067839 (1978-01-01), Schultz
patent: 4074039 (1978-02-01), Lim et al.
patent: 4346482 (1982-08-01), Tennant et al.
patent: 4388436 (1983-06-01), Chen
patent: 4452925 (1984-06-01), Kuzma et al.
patent: 4625009 (1986-11-01), Izumitani et al.
patent: 4642118 (1987-02-01), Kuroyanagi et al.
patent: 4676790 (1987-06-01), Kern
patent: 4713244 (1987-12-01), Bawa et al.
patent: 4715858 (1987-12-01), Lindstrom
patent: 4740498 (1988-04-01), Hirao et al.
patent: 4828563 (1989-05-01), Muller-Lierheim
patent: 4919659 (1990-04-01), Horbett et al.
patent: 4979959 (1990-12-01), Guire
patent: 4983181 (1991-01-01), Civerchia
patent: 5104954 (1992-04-01), Mueller
Patent Abstracts of Japan, vol. 7, No. 105, May 7, 1983, (P-195) (1250).

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