Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – At least one aryl ring which is part of a fused or bridged...
Patent
1989-09-20
1991-09-10
Lipman, Bernard
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
At least one aryl ring which is part of a fused or bridged...
524501, 525284, 525479, 528392, C08F 800
Patent
active
050474642
ABSTRACT:
Bioerodible, thermoset, covalently crosslinked, elastomeric poly(ortho ester)s are disclosed. These materials are comprised of polymer chains that are interlocked in a covalent, three dimensional network which imparts dimensional stability. Use of these thermoset, covalently crosslinked materials as a drug delivery device is also disclosed.
REFERENCES:
patent: 4304767 (1981-12-01), Heller et al.
patent: 4549010 (1985-10-01), Sparer et al.
patent: 4735804 (1988-04-01), Caldwell et al.
patent: 4758436 (1988-07-01), Caldwell et al.
Pogany Stefano A.
Zentner Gaylen M.
DiPrima Joseph F.
Lipman Bernard
Merck & Co. , Inc.
Winokur Melvin
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