Global Patent Index - EP 0970065 A4

EP 0970065 A4 2001-03-07 - ANTIBIOTICS AND PROCESS FOR PREPARATION

Title (en)

ANTIBIOTICS AND PROCESS FOR PREPARATION

Title (de)

ANTIBIOTIKA UND VERFAHREN ZU IHRER HERSTELLUNG

Title (fr)

ANTIBIOTIQUES ET LEUR PROCEDE DE PREPARATION

Publication

EP 0970065 A4 (EN)

Application

EP 97951517 A

Priority

US 9722012 W

Abstract (en)

[origin: WO9928308A1] A group of reagents, as diisocyanates, dianhydrides, diacidchlorides, diepoxides, carbodiimides and the like are utilized to link a wide variety of antibiotic moieties, reacted two at a time with said reagents, the said antibiotic moieties containing groups reactive with the linking reagents as carboxylic acid, alcohol, primary amine, and secondary amine functional groups, said functional groups being present as singularities or as multiplicities, products being readily purified using chromatographic techniques, and said products of above reactions being valuable for the treatment of microbial infections of man and animals.

IPC 1-7 (main, further and additional classification)

C07D 279/16; C07D 417/00

IPC 8 full level (invention and additional information)

C07D 215/56 (2006.01); C07D 499/00 (2006.01); C07D 501/00 (2006.01); C07D 519/00 (2006.01); C07H 17/08 (2006.01)

CPC (invention and additional information)

C07D 215/56 (2013.01); C07D 499/00 (2013.01); C07D 501/00 (2013.01); C07H 17/08 (2013.01)

Citation (search report)

Designated contracting state (EPC)

DE GB

EPO simple patent family

WO 9928308 A1 19990610; EP 0970065 A1 20000112; EP 0970065 A4 20010307

INPADOC legal status


2003-10-08 [18D] DEEMED TO BE WITHDRAWN

- Effective date: 20030404

2002-11-06 [17Q] FIRST EXAMINATION REPORT

- Effective date: 20020923

2001-03-07 [A4] SUPPLEMENTARY SEARCH REPORT

- Effective date: 20010122

2001-03-07 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A4

- Designated State(s): DE GB

2000-01-12 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 19990827

2000-01-12 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A1

- Designated State(s): DE GB