Water-insoluble microcrystalline collagen absorbent mat |
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申请号 | US3632361D | 申请日 | 1969-06-26 | 公开(公告)号 | US3632361A | 公开(公告)日 | 1972-01-04 |
申请人 | FMC CORP; | 发明人 | BATTISTA ORIANDO A; | ||||
摘要 | A water-insoluble, highly absorbent body or mat of a partial salt of collagen (microcrystalline collagen) formed by preparing a dispersion of the salt of collagen in an aqueous medium, introducing the dispersion into a mold and freeze-drying the dispersion. | ||||||
权利要求 | 2. A water-insoluble, porous, spongelike body as defined in claim 1 wherein the ionizable, partial salt of collagen is a hydrogen chloride salt. 3. A water-insoluble, porous, spongelike body as defined in claim 1 wherein the partial salt of collagen is cross-linked and the spongelike body is further characterized in exhibiting a shrinkage of not more than about 26 percent when heated to 200* C. 4. A water-insoluble, porous, spongelike body as defined in claim 1 containing reinforcing fibers distributed uniformly throughout the body. 5. A water-insoluble, porous, spongelike body as defined in claim 1 containing reinforcing fibers in an amount up to about 25 percent by weight distributed uniformly throughout the body, the fibers being selected from the group consisting of unswollen collagen hide fibers, carded freeze-dried collagen fibers, cotton, rayon and wool. |
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说明书全文 |