Extract from the Register of European Patents

About this file: EP0101597

EP0101597 - Process for the preparation of astaxanthine and intermediates in the astaxanthine synthesis [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  24.04.1989
Database last updated on 28.07.2017
Most recent event   Tooltip24.04.1989No opposition filed within time limitpublished on 14.06.1989 [1989/24]
Applicant(s)For all designated states
F. HOFFMANN-LA ROCHE & CO. Aktiengesellschaft
Postfach 3255
4002 Basel / CH
[N/P]
Former [1984/09]For all designated states
F. HOFFMANN-LA ROCHE & CO. Aktiengesellschaft
Postfach 3255
CH-4002 Basel / CH
Inventor(s)01 / Bernhard, Kurt, Dr.
Bündtenstrasse 11
CH-4411 Lupsingen / CH
02 / Müller, Robert Karl, Dr.
Wettsteinallee 145
CH-4058 Basel / CH
03 / Spruijtenburg, Robert, Dr.
Krummenrainweg 9
CH-4153 Reinach / CH
[1984/09]
Representative(s)Lederer, Franz , et al
Lederer & Keller
Patentanwälte
Unsöldstrasse 2
80538 München / DE
[N/P]
Former [1987/13]Lederer, Franz, Dr. , et al
Lederer, Keller & Riederer Patentanwälte Prinzregentenstrasse 16
D-80538 München / DE
Cottong, Norbert A. , et al
Grenzacherstrasse 124 Postfach 3255
CH-4002 Basel / CH
Former [1984/09]Lederer, Franz, Dr.
Lederer, Keller & Riederer, Patentanwälte, Lucile-Grahn-Strasse 22
D-81675 München / DE
Cottong, Norbert A. , et al
Grenzacherstrasse 124 Postfach 3255
CH-4002 Basel / CH
Application number, filing date83107909.010.08.1983
[1984/09]
Priority number, dateCH1982000498320.08.1982         Original published format: CH 498382
CH1983000339221.06.1983         Original published format: CH 339283
[1984/09]
Filing languageDE
Procedural languageDE
PublicationType: A2 Application without search report 
No.:EP0101597
Date:29.02.1984
Language:DE
[1984/09]
Type: A3 Search report 
No.:EP0101597
Date:27.11.1985
Language:DE
[1985/48]
Type: B1 Patent specification 
No.:EP0101597
Date:22.06.1988
Language:DE
[1988/25]
International and Supplementary
search report(s)		Supplementary European search report -
dispatched on:		EP24.09.1985
ClassificationInternational:C07C175/00, C07F7/18
[1984/09]
Designated contracting statesAT,   BE,   CH,   DE,   FR,   GB,   IT,   LI,   NL [1984/09]
TitleGerman:Verfahren zur Herstellung von Astaxanthin und Zwischenprodukten in der Astaxanthin-Synthese[1984/09]
English:Process for the preparation of astaxanthine and intermediates in the astaxanthine synthesis[1984/09]
French:Procédé pour la préparation de l'astaxanthine ainsi que les produits intermédiaires dans la synthèse de l'astaxanthine[1984/09]
Examination procedure10.08.1983Examination requested  [1984/09]
27.11.1986Despatch of a communication from the examining division (Time limit: M04)
06.04.1987Reply to a communication from the examining division
28.08.1987Despatch of communication of intention to grant (Approval: )
10.12.1987Communication of intention to grant the patent
12.02.1988Fee for grant paid
12.02.1988Fee for publishing/printing paid
Opposition(s)23.03.1989No opposition filed within time limit [1989/24]
Fees paidRenewal fee
20.08.1985Renewal fee patent year 03
28.06.1986Renewal fee patent year 04
23.06.1987Renewal fee patent year 05
Documents cited:Search[A]DE2653838  (HOFFMANN LA ROCHE)
 [Y]  - TETRAHEDRON LETTERS, Nr. 49-50, 1974, Seiten 4319-4322, Pergamon Press, GB; G.M. RUBOTTOM et al.: "Peracid oxidation of trimethylsilyl enol ethers: A facile alpha-hydroxylation procedure",
 [Y]  - JOURNAL OF ORGANIC CHEMISTRY, Band 43, Nr. 8, 1978, Seiten 1599-1602; G.M. RUBOTTOM et al.: "m-Chloroperbenzoic acid oxidation of 2-trimethylsilyloxy-1,3-dienes. Synthesis of alpha-hydroxy and alpha-acetoxy enones",
Examination   - Revue Romaine de Chimie 22 (7) 1085-1088 (1977),
    - Helv. Chim. Acta 28, 427-436 (1945),