Method of preparation of regenerated fiber collagen condom

Details Method of preparation of regenerated fiber collagen condom Method of preparation of regenerated fiber collagen condom

1981-09-15

1983-09-27

Derrington, James H.

Plastic and nonmetallic article shaping or treating: processes

Mechanical shaping or molding to form or reform shaped article

Shaping against forming surface

264 22, 264301, 264305, 264307, B29C 1304

Patent

active

044068530

ABSTRACT:
A novel collagen condom consists of isotropically-strong, crosslinked, regenerated fiber collagen. A method of preparation involves the steps of at least twice dipping a mandrel into an acidic collagen dispersion; slowly removing the mandrel under spinning conditions; neutralizing and drying the membrane between dippings; crosslinking the finally dried membrane while on the mandrel and removing the membrane from the mandrel.

REFERENCES:
patent: 1870775 (1932-08-01), Gammeter
patent: 2139545 (1938-12-01), Gammeter
patent: 2371883 (1945-03-01), Gammeter et al.
patent: 2649619 (1953-08-01), Killian
patent: 2838363 (1958-06-01), Veis et al.
patent: 3071477 (1963-01-01), Klevens
patent: 3093440 (1963-06-01), Bothwell
patent: 4233360 (1980-11-01), Luck

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