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1. WO2020159975 - INHIBITION DE TARTRE À L'AIDE DE POLYMÈRES RAMIFIÉS


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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/US2020/015392 82580-WO-PCT
International filing date (day/month/year) (Earliest) Priority Date (day/month/year)
28 January 2020 28 January 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. ____________
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

     C09K 8/528 (2006.01)i; C08F 220/06 (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):
     C09K; 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)
A
US 5032646 A (WALINSKY STANLEY W [US]) 16 July 1991 (1991-07-16)
1-14
cited in the application
the whole document
(2)
A
WO 2015183675 A1 (DOW GLOBAL TECHNOLOGIES LLC [US]) 03 December 2015 (2015-12-03)
1-14
the whole document
(3)
A
WO 2016134873 A1 (CLARIANT INT LTD [CH]) 01 September 2016 (2016-09-01)
1-14
the whole document
(4)
A
EP 0850963 A1 (NIPPON CATALYTIC CHEM IND [JP]) 01 July 1998 (1998-07-01)
1-14
the whole document
(5)
A
US 2016096908 A1 (WANG JANICE JIANZHAO [US] ET AL) 07 April 2016 (2016-04-07)
1-14
the whole document
*
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)
US 5032646 A
16 July 1991
NONE
WO 2015183675 A1
03 December 2015
AR 100644 A1
AU 2015267365 A1
CA 2949258 A1
CN 106459741 A
EA 201692396 A1
EP 3149102 A1
US 2017066958 A1
WO 2015183675 A1
19 October 2016
05 January 2017
03 December 2015
22 February 2017
28 April 2017
05 April 2017
09 March 2017
03 December 2015
WO 2016134873 A1
01 September 2016
NONE
EP 0850963 A1
01 July 1998
CN 1190659 A
DE 69726250 D1
DE 69726250 T2
EP 0850963 A1
KR 19980064607 A
TW 492982 B
US 6166149 A
19 August 1998
24 December 2003
16 September 2004
01 July 1998
07 October 1998
01 July 2002
26 December 2000
US 2016096908 A1
07 April 2016
BR 112017006841 A2
CA 2963521 A1
CN 107001744 A
EP 3204453 A1
RU 2017115806 A
US 2016096908 A1
WO 2016057299 A1
19 June 2018
14 April 2016
01 August 2017
16 August 2017
15 November 2018
07 April 2016
14 April 2016
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:
29 April 2020
Date of mailing of the international search report:
13 May 2020
Authorized officer:
Nemes, Csaba A.
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