Europaisches Patentamt
© Publication number:
European Patent Office
PATENT
© Date of filing: 09.06.87
© Date of publication of application:
16.12.87 Bulletin 87/51
© Designated Contracting States:
AT BE CH DE ES FR GB GR LI LU NL SE
© Date of deferred publication of the search report:
14.12.88 Bulletin 88/50
Oi
CO
CM
i
50/04 , C07C
46/06
50/12
© Applicant: CONSIGLIO NAZIONALE DELLE
RICERCHE
Viale Liegi 48/B
1-00198 Roma(IT)
Priority: 11.06.86 IT 2075486
CO
<
2 8 9
APPLICATION
© Int. CI.4: C07C
C07C
© Application number: 87201075.6
©
249
A3
Office europeen des brevets
EUROPEAN
0
Applicant: ENICHEM SINTESI S.p.A.
Via Ruggero Settimo 55
1-90139 Palermo(IT)
Applicant: BRICHIMA S.P.A.
Via Carso 73
1-24100 BERGAMO(IT)
@ Inventor: Minisci, Francesco
Via Marescalchi 19
I - 20133 Milan(IT)
Inventor: Citterio, Attilio
Piazzale Piola 5
I - 20131 Milan(IT)
Inventor: Vismara, Elena
Via G. Colombo 81 /A
I - 20133 Mi Ian (IT)
Inventor: De Bernardinis, Sivia
Via Forze Armate 253
I - 20152 Milan(IT)
Inventor: Neri, Carlo
Via Europa 32
I - 20097 San Donate Milanes Milan(IT)
Inventor: Pallini Luciano
Via V. Bottego 3
I - 43045 Fornovo Taro Parma(IT)
Inventor: Correaie Mariano
Via Volta 9
I - 24040 BonateSotto Bergamo(IT)
© Representative: Roggero, Sergio et al
Ing. Barzand & Zanardo Milano S.p.A. Via
Borgonuovo 10
1-20121 Milano(iT)
LU© Process for the preparation of quinones.
Xerox Copy Centre
,
EP 0 249 289 A3
g) Phenols are oxidated to quinones with hydrogen
Deroxide in the presence of catalytic amounts of
Dromine, iodine, hydrogen bromide and hydrogen
odide.
European Patent
Office
Application Number
EUROPEAN SEARCH R E P O R T
EP
87 20 1075
D O C U M E N T S CONSIDERED TO BE R E L E V A N T
Category
Citation of document with indication, where appropriate,
of relevant passages
Relevant
to claim
CHEMICAL ABSTRACTS, vol. 84, 1976, page
452, a b s t r a c t no. 43638r, Columbus,
Ohio, US; & JP-A-75 95 231 (MITSUBISHI
PETROCHEMICAL CO. , LTD) 2 9 - 0 7 - 1 9 7 5
* Abstract *
1,2,5,6
,7,9,10
,14
US-A-3 297 445
(F.C. DUENNEBIER e t
al.)
* Column 4, l i n e s 13-21 *
1,3,5,6
,7,16,
17,21
DE-A-2 460 361
* Claims *
CLASSIFICATION OF THE
APPLICATION ant. CI. 4)
C 07 C
C 07 C
C 07 C
50/04
50/12
46/06
(MERCK PATENT GmbH)
TECHNICAL FIELDS
SEARCHED (Int. C1.4)
C 07 C
C 07 C
The present search report has been drawn up for all claims
Place of search
Date of completion of the search
THE HAGUE
30-09-1988
CATEGORY OF CITED DOCUMENTS
X : particularly relevant if taken alone
Y : particularly relevant if combined with another
document of the same category
A : technological background
O : non-written disclosure
P : intermediate document
46/00
50/00
Examiner
B0NNEVALLE E . I . H .
T : theory or principle underlying the invention
E : earlier patent document, but published on, or
after the filing date
D : document cited in the application
L : document cited for other reasons
&: member of the same patent family, corresponding
document