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Last Updated: January 24, 2020

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Patent: 4,176,009

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Summary for Patent: 4,176,009
Title: Method of measuring collagenase activity
Abstract:A method of measuring collagenase activity using as substrates peptide derivatives having the structure A-Pro-B-Gly-C-Ala-Gly-E wherein A is a hydrophobic neutral or acidic chromophore, B is an amino acid residue, C is Ile or Leu, E is Gln-D-Arg-OH or D-Arg-OH and all the amino acid residues except for Gly are L-configuration unless otherwise stated.
Inventor(s): Sakakibara; Shumpei (Suita, JP), Nagai; Yutaka (Koshigaya, JP), Fujiwara; Kenji (Tokyo, JP), Sakai; Takahiro (Tokyo, JP)
Assignee: Ajinomoto Co., Inc. (Tokyo, JP)
Application Number:05/853,302
Patent Claims:see list of patent claims

Details for Patent 4,176,009

Applicant Tradename Biologic Ingredient Dosage Form BLA Number Approval Date Patent No. Assignee Estimated Patent Expiration Status Orphan Source
Smith And Nephew SANTYL collagenase OINTMENT;TOPICAL 101995 001 1965-06-04   Start Trial Ajinomoto Co., Inc. (Tokyo, JP) 1996-11-27 RX search
>Applicant >Tradename >Biologic Ingredient >Dosage Form >BLA >Number >Approval Date >Patent No. >Assignee >Estimated Patent Expiration >Status >Orphan >Source

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