Upgrade to enjoy subscriber-only features like email alerts and data export. See the Plans and Pricing

Serving leading biopharmaceutical companies globally:

Citi
US Department of Justice
AstraZeneca
Johnson and Johnson
Medtronic
QuintilesIMS
Argus Health
Dow
Baxter
Daiichi Sankyo

Generated: February 18, 2018

DrugPatentWatch Database Preview

Details for Patent: 4,789,724

« Back to Dashboard

Summary for Patent: 4,789,724
Title: Preparation of anhydride copolymers
Abstract:A method for preparation of very pure anhydride copolymers with high yield. The anhydride copolymers, consisting of aromatic and aliphatic diacids are formed by melt condensation of individually prepared, pure, isolated prepolymers. The method of preparation is characterized by high yield, reproducibility, polymer purity and controlled composition, and is a short and convenient procedure. The polyanhydrides produced by the disclosed method are particularly well suited to biomedical applications requiring low levels of toxic or inflammatory contaminants and physical and mechanical properties which closely conform to manufacturing specifications.
Inventor(s): Domb; Abraham J. (Brookline, MA), Langer; Robert S. (Somerville, MA)
Assignee: Massachusetts Institute of Technology (Cambridge, MA)
Application Number:06/920,724
Patent Claim Types:
see list of patent claims
Process; Use;

Drugs Protected by US Patent 4,789,724

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Patent Submitted
Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Patent Submitted

This preview shows a limited data set. Subscribe for full access, or try a Free Trial

International Patents Family Members for US Patent 4,789,724

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Austria 285432 ➤ Try a Free Trial
Canada 1278141 ➤ Try a Free Trial
Germany 266603 ➤ Try a Free Trial
Germany 3752381 ➤ Try a Free Trial
European Patent Office 0266603 ➤ Try a Free Trial
European Patent Office 0692510 ➤ Try a Free Trial
Japan 2626717 ➤ Try a Free Trial
Japan S63199227 ➤ Try a Free Trial
South Korea 960006410 ➤ Try a Free Trial
Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration

This preview shows a limited data set. Subscribe for full access, or try a Free Trial

For more information try a trial or see the plans and pricing

Serving hundreds of leading biopharmaceutical companies globally:

Merck
US Department of Justice
Moodys
Teva
Farmers Insurance
Julphar
Harvard Business School
Boehringer Ingelheim
Accenture

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.

botpot