You are 3 steps away
from making better decisions

Serving leading biopharmaceutical companies globally:

Johnson and Johnson

Last Updated: February 18, 2020

DrugPatentWatch Database Preview

Patent: 5,109,120

See Plans and Pricing

« Back to Dashboard

Summary for Patent: 5,109,120
Title: Reduction of chemically modified proteins
Abstract:The invention provides chemically modified proteins having a group of the formula: ##STR1## wherein R represents a hydrogen atom or a lower alkyl, m represents an optional positive integer and n represents an integer 1 to 4, the group being bonded to at least one primary amino group of the protein, and a method of producing the same. The chemically modified proteins according to the invention can be produced by reacting a protein with an imidoester of the formula: ##STR2## wherein R, n and m are as defined above, R\' represents a group constituting an imidoester with an adjacent imidoyl group. The chemically modified proteins according to the invention are useful as drugs, among others.
Inventor(s): Ueno; Hayao (Suita, JP), Fujino; Masahiko (Takarazuka, JP)
Assignee: Takeda Chemical Industries, Ltd. (Osaka, JP)
Application Number:07/364,707
Patent Litigation and PTAB cases: See patent lawsuits and PTAB cases for patent 5,109,120
Patent Claims:see list of patent claims

Details for Patent 5,109,120

Applicant Tradename Biologic Ingredient Dosage Form BLA Number Approval Date Patent No. Assignee Estimated Patent Expiration Status Orphan Source
Merck ELSPAR asparaginase VIAL 101063 001 1978-01-10   Start Trial Takeda Chemical Industries, Ltd. (Osaka, JP) 2009-04-28 RX search
>Applicant >Tradename >Biologic Ingredient >Dosage Form >BLA >Number >Approval Date >Patent No. >Assignee >Estimated Patent Expiration >Status >Orphan >Source

Make Better Decisions: Try a trial or see plans & pricing

Serving leading biopharmaceutical companies globally:

Express Scripts

Drugs may be covered by multiple patents or regulatory protections. All trademarks and applicant names are the property of their respective owners or licensors. Although great care is taken in the proper and correct provision of this service, thinkBiotech LLC does not accept any responsibility for possible consequences of errors or omissions in the provided data. The data presented herein is for information purposes only. There is no warranty that the data contained herein is error free. thinkBiotech performs no independent verifification of facts as provided by public sources nor are attempts made to provide legal or investing advice. Any reliance on data provided herein is done solely at the discretion of the user. Users of this service are advised to seek professional advice and independent confirmation before considering acting on any of the provided information. thinkBiotech LLC reserves the right to amend, extend or withdraw any part or all of the offered service without notice.