Deeper Knowledge, Faster

  • Analyze global market entry opportunities
  • Identify first generic entrants
  • Drug patents in 130+ countries
➤ Start Trial

or, See Plans & Pricing

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

Serving leading biopharmaceutical companies globally:

Fish and Richardson
Accenture
Merck
Queensland Health
Johnson and Johnson
Mallinckrodt
Julphar
US Department of Justice
Farmers Insurance
Colorcon

Generated: January 21, 2018

DrugPatentWatch Database Preview

Details for Patent: 4,904,769

« Back to Dashboard

Summary for Patent: 4,904,769
Title: Highly pure acarbose
Abstract:A purified acarbose which contains less than 10% by weight of sugar-like secondary components is obtained by column chromatograph of a solution of prepurified acarbose with a pH 4 to 7. The column contains as a packing material a weakly acid cation exchanger which has carboxyl groups and is based on dextran, agarose and cellulose or exchangers which are derived from the latter with the addition of polyamide.
Inventor(s): Rauenbusch; Erich (Wuppertal, DE)
Assignee: Bayer Aktiengesellschaft (Leverkusen, DE)
Application Number:06/940,713
Patent Claim Types:
see list of patent claims
Composition; Process;

Drugs Protected by US Patent 4,904,769

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

Foreign Priority and PCT Information for Patent: 4,904,769

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
Germany3543999Dec 13, 1985

International Patents Family Members for US Patent 4,904,769

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Austria 71951 ➤ Subscribe
Bulgaria 49497 ➤ Subscribe
Canada 1288768 ➤ Subscribe
China 1013866 ➤ Subscribe
China 86108259 ➤ Subscribe
Germany 3543999 ➤ Subscribe
Germany 3683611 ➤ Subscribe
Denmark 164870 ➤ Subscribe
Denmark 598686 ➤ Subscribe
European Patent Office 0226121 ➤ Subscribe
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 leading biopharmaceutical companies globally:

Chinese Patent Office
Colorcon
Express Scripts
Daiichi Sankyo
Johnson and Johnson
Chubb
Mallinckrodt
Dow
Novartis

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