Chemistry: natural resins or derivatives; peptides or proteins; – Proteins – i.e. – more than 100 amino acid residues – Scleroproteins – e.g. – fibroin – elastin – silk – etc.
Patent
1986-03-13
1987-08-25
Foelak, Morton
Chemistry: natural resins or derivatives; peptides or proteins;
Proteins, i.e., more than 100 amino acid residues
Scleroproteins, e.g., fibroin, elastin, silk, etc.
128156, 128DIG8, 428473, C07G 700, A61L 1504
Patent
active
046893997
ABSTRACT:
A process for preparing collagen membranes useful in tissue repair, and wound healing and related membranous implant materials useful in both hard and soft tissue applications is disclosed. The resulting membranes and materials have properties which can be varied as desired to suit intended use. Variation results from altering the precise conditions of formation of the membrane or of related fibers and solids. The process comprises first forming a gel from solubilized collagen, followed by converting the gel into a one-, two- or three-dimensional membranous solid form. This conversion is performed either by applying pressure to the gel, or by disrupting the gel and separating the resulting precipitate for casting.
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patent: 4242291 (1980-12-01), Hughes et al.
patent: 4412947 (1983-11-01), Cioca
patent: 4453939 (1984-06-01), Zimmerman et al.
patent: 4505855 (1985-03-01), Bruns et al.
Collagen Corporation
Foelak Morton
Nutter Nathan M.
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