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1. WO2020163400 - PROCÉDÉ DE RECUPÉRATION DE MONOMÈRES


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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/US2020/016670 82618-WO-PCT
International filing date (day/month/year) (Earliest) Priority Date (day/month/year)
04 February 2020 07 February 2019
Applicant
DOW GLOBAL TECHNOLOGIES LLC
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:
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.
6. Drawings
a.
The figure of the drawings to be published with the abstract is Figure No.     1    
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

     C08G 18/08 (2006.01)i; C08F 283/06 (2006.01)i; C08G 18/63 (2006.01)i; C08G 65/30 (2006.01)i
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):
     C08G; C09J; C08F
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):
EPO-Internal, WPI Data

C. DOCUMENTS CONSIDERED TO BE RELEVANT

Category* Citation of document, with indication, where appropriate, of the relevant passages Relevant to claim No.
(1)
X
CN 108623757 A (SHANDONG LONGHUA NEW MAT CO LTD) 09 October 2018 (2018-10-09)
1-10
example 3.1
(2)
X
CN 105585652 B (CHINA PETROLEUM & CHEM CORP) 04 December 2018 (2018-12-04)
1-10
example 9
(3)
A
US 2018353875 A1 (SA GOMES PEDRO [DE] ET AL) 13 December 2018 (2018-12-13)
1-10
claim 1; figure 2
(4)
A
KI-JOO KIM ET AL, "ENTRAINER SELECTION AND SOLVENT RECYCLING IN COMPLEX BATCH DISTILLATION", CHEMICAL ENGINEERING COMMUNICATIONS,Vol. 191, No. 12, 01 December 2004 (2004-12-01), page 1606-1633,
XP055688518
1-10
figure 5; table I
(5)
A
VALENTINA M. RAEVA ET AL, "Separation of ternary mixtures by extractive distillation with 1,2-ethandiol and glycerol", CHEMICAL ENGINEERING RESEARCH AND DESIGN,Vol. 99, 01 July 2015 (2015-07-01), page 125-131,
XP055688517
1-10
figure 2; table 1
*
Special categories of cited documents:
"A"
document defining the general state of the art which is not considered to be of particular relevance
"D"
document cited by the applicant in the international application
"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 108623757 A
09 October 2018
NONE
CN 105585652 B
04 December 2018
NONE
US 2018353875 A1
13 December 2018
BR 112018012678 A2
CN 108473673 A
EP 3394152 A1
JP 2019502801 A
KR 20180097580 A
US 2018353875 A1
WO 2017108457 A1
04 December 2018
31 August 2018
31 October 2018
31 January 2019
31 August 2018
13 December 2018
29 June 2017
Name and mailing address of the ISA/:
European Patent Office
P.B. 5818, Patentlaan 2, 2280 HV Rijswijk,
Netherlands
Telephone No. (+31-70)340-2040
Facsimile No. (+31-70)340-3016
Date of the actual completion of the international search:
18 May 2020
Date of mailing of the international search report:
29 May 2020
Authorized officer:
Buestrich, Ralf
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