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Generated: July 23, 2019

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Patent: 5,686,262

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Summary for Patent: 5,686,262
Title: Recycle process for the production of low-cost soluble collagen
Abstract:The invention includes a method that provides a low cost aqueous solution of solubilized collagen by the steps of: (a) providing an aqueous ground slurry of insoluble collagen and adjusting the pH of said slurry to obtain activity for a proteolytic enzyme added in Step b; (b) adding said proteolytic enzyme to said pH adjusted slurry; (c) reacting the slurry and enzyme of Step b and/or recycled insoluble collagen and enzyme from Step e at a temperature, T, and for a time, t, effective for forming a solution increased in solubilized collagen; (d) adding additional water and insoluble collagen to said solution of Step c and mixing; (e) separating at least some of the solution of Step d containing solubilized collagen from insoluble collagen, whereby at least a portion of said insoluble collagen and proteolytic enzyme is recycled to Step c, and the separated solution containing solubilized collagen is withdrawn as product; an alternative embodiment provides for the direct production of solubilized collagen without the recycle step.
Inventor(s): Fink; David J. (Shaker Heights, OH), Brody; Richard S. (Worthington, OH)
Assignee: Ranpak Corporation (Concord, OH)
Application Number:08/488,368
Patent Claims:see list of patent claims

Details for Patent 5,686,262

Applicant Tradename Biologic Ingredient Dosage Form BLA Number Approval Date Patent No. Assignee Patent Expiration Status Orphan Source
Advance Biofactures SANTYL collagenase VIAL 101995 001 1965-06-04 ➤ Sign Up Ranpak Corporation (Concord, OH) ➤ Sign Up RX search
Applicant Tradename Biologic Ingredient Dosage Form BLA Number Approval Date Patent No. Assignee Patent Expiration Status Orphan Source

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