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1. (WO2019028600) PROCESS FOR PRODUCTION OF CARBOXYLATED PHENOL DERIVATIVES



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INTERNATIONAL SEARCH REPORT (ISR)
Part 1:  1  2  3  4  5  6          Part 2:  A  B  C  D  E 
International application No. Applicant's or agent's file reference
PCT/CN2017/096254 FPCH17160171
International filing date (day/month/year) (Earliest) Priority Date (day/month/year)
07 August 2017
Applicant
RHODIA OPERATIONS et al
FOR FURTHER ACTION: See Form PCT/ISA/220 as well as, where applicable, item 5 below.
This international search report has been prepared by this International Searching Authority and is transmitted to the applicant according to Article 18. A copy is being transmitted to the International Bureau.
It is also accompanied by a copy of each prior art document cited in this report.
1. Basis of the report
a. With regard to the language, the international search was carried out on the basis of:
the international application in the language in which it was filed.
a translation of the international application into                                          which is the language of a translation furnished for the purposes of international search (Rules 12.3(a) and 23.1(b)).
b.
This international search report has been established taking into account the rectification of an obvious mistake authorized by or notified to this Authority under Rule 91 (Rule 43.6bis(a)).
c.
With regard to any nucleotide and/or amino acid sequence disclosed in the international application, the international search was carried out on the basis of a sequence listing:
2. Certain claims were found unsearchable
3. Unity of invention is lacking
4. Title of the invention
The text is approved as submitted by the applicant.
The text has been established by this Authority to read as follows:
PROCESS FOR PRODUCTION OF CARBOXYLATED PHENOL DERIVATIVES

5. Abstract
The text is approved as submitted by the applicant.
The text has been established, according to Rule 38.2, by this Authority as it appears in Box No. IV. The applicant may, within one month from the date of mailing of this international search report, submit comments to this Authority.

Disclosed is a new process for the production of carboxylated phenol derivatives comprising at least a step of carboxylation of a mixture of (i) phenol derivative and (ii) phenolate derivative, wherein the molar ratio of (i) / (ii) is comprised between 0.8 and 1.2, in presence of CO 2. A process for the production of said mixture of (i) phenol derivative and (ii) phenolate derivative is also disclosed.


6. Drawings
a.
The figure of the drawings to be published with the abstract is Figure No. ____________
as suggested by the applicant.
as selected by this Authority, because the applicant failed to suggest a figure.
as selected by this Authority, because this figure better characterizes the invention.
b.
none of the figures is to be published with the abstract.

A. CLASSIFICATION OF SUBJECT MATTER

According to International Patent Classification (IPC) or to both national classification and IPC

B. FIELDS SEARCHED

Minimum documentation searched (classification system followed by classification symbols):
     C07C
Documentation searched other than minimum documentation to the extent that such documents are included in the fields searched:
Electronic data base consulted during the international search (name of data base and, where practicable, search terms used):
CNABS, CNTXT, DWPI, VEN, CNKI, Google Scholar, STN(REGISTRY), STN(CAPLUS), carboxyla+, guaiacol, vanillic acid, phenol, phenolate, naphtholate, base, CO2, carbon dioxide.

C. DOCUMENTS CONSIDERED TO BE RELEVANT

Category* Citation of document, with indication, where appropriate, of the relevant passages Relevant to claim No.
(1)
Y
CN 103012123 A (ZHEJIANG UNIVERSITY) 03 April 2013 (2013-04-03)
1-21
claim 1, paragraphs [0012],[0018] and [0027]-[0030]
(2)
Y
US 2006052632 A1 (HYOGO, RYUZO UENO ET AL.) 09 March 2006 (2006-03-09)
1-21
paragraphs [0030]-[0031]
(3)
A
WO 9626176 A1 (RHONE POULENC CHIMIE ET AL.) 29 August 1996 (1996-08-29)
1-21
description,pages 4-5
*
Special categories of cited documents:
"A"
document defining the general state of the art which is not considered to be of particular relevance
"E"
earlier application or patent but published on or after the international filing date
"L"
document which may throw doubts on priority claim(s) or which is cited to establish the publication date of another citation or other special reason (as specified)
"O"
document referring to an oral disclosure, use, exhibition or other means
"P"
document published prior to the international filing date but later than the priority date claimed
"T"
later document published after the international filing date or priority date and not in conflict with the application but cited to understand the principle or theory underlying the invention
"X"
document of particular relevance; the claimed invention cannot be considered novel or cannot be considered to involve an inventive step when the document is taken alone
"Y"
document of particular relevance; the claimed invention cannot be considered to involve an inventive step when the document is combined with one or more other such documents, such combination being obvious to a person skilled in the art
"&"
document member of the same patent family

D. INFORMATION ON PATENT FAMILY MEMBERS

Patent document cited in search report Publication date
(day/month/year)
Patent family member(s) Publication date
(day/month/year)
CN 103012123 A
03 April 2013
CN 103012123 B
26 November 2014
US 2006052632 A1
09 March 2006
CN 1684935 A
WO 2004031113 A1
TW 200405891 A
EP 1559705 A4
KR 20050062574 A
EP 1559705 A1
JP 2004123592 A
19 October 2005
15 April 2004
16 April 2004
25 April 2007
23 June 2005
03 August 2005
22 April 2004
WO 9626176 A1
29 August 1996
FR 2730731 A1
EP 0756588 A1
CN 1146761 A
FR 2730731 B1
AU 4834696 A
JP H09512285 A
23 August 1996
05 February 1997
02 April 1997
04 April 1997
11 September 1996
09 December 1997
Name and mailing address of the ISA/:
STATE INTELLECTUAL PROPERTY OFFICE OF THE P.R.CHINA
6, Xitucheng Rd., Jimen Bridge, Haidian District, Beijing 100088
China
Facsimile No. (86-10)62019451
Date of the actual completion of the international search:
16 April 2018
Date of mailing of the international search report:
08 May 2018
Authorized officer:
SHI,Boying
Telephone No. 86-(10)-53962169
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