Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...
Patent
1985-07-18
1986-08-12
Griffin, Ronald W.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Processes of preparing a desired or intentional composition...
524 29, 536 41, C08B 3708
Patent
active
046056912
ABSTRACT:
Disclosed are cross-linked gels of hyaluronic acid, alone or mixed with other hydrophilic polymers and containing various substances or covalently bonded low molecular weight substances and processes for preparing them. These products are useful in numerous applications including cosmetic formulations and as drug delivery systems.
REFERENCES:
patent: 3357784 (1967-12-01), Kasper
patent: 4141973 (1979-02-01), Balazs
patent: 4303676 (1981-12-01), Balazs
patent: 4487865 (1984-12-01), Balazs et al.
patent: 4500676 (1985-02-01), Balazs et al.
Balazs Endre A.
Leshchiner Adolf
Biomatrix, Inc.
Griffin Ronald W.
Palmer Sheldon
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