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1. WO2020159549 - ESPACEURS COMPATIBLES À FAIBLE TENEUR EN SILICE CRISTALLINE


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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/US2019/016402 1560-108000
International filing date (day/month/year) (Earliest) Priority Date (day/month/year)
01 February 2019
Applicant
HALLIBURTON ENERGY SERVICES, INC.
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

     C09K 8/40 (2006.01)i; C09K 8/50 (2006.01)i; C09K 8/60 (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):
Documentation searched other than minimum documentation to the extent that such documents are included in the fields searched:
Korean utility models and applications for utility models
Japanese utility models and applications for utility models
Electronic data base consulted during the international search (name of data base and, where practicable, search terms used):
eKOMPASS(KIPO internal) & Keywords: Wellbore, Spacer fluid, Biopolymer gum, Diutan gum, Pumice, Free of clay

C. DOCUMENTS CONSIDERED TO BE RELEVANT

Category* Citation of document, with indication, where appropriate, of the relevant passages Relevant to claim No.
(1)
X
US 2013-0210685 A1 (HALLIBURTON ENERGY SERVICES, INC.) 15 August 2013 See paragraphs [0037], [0047]-[0048]; and claim 1.
1-4,7,8,11-13,16-18
Y
5,6,9,10,14,15,19,20
(2)
Y
US 2006-0166836 A1 (PENA, ALEJANDRO et al.) 27 July 2006 See paragraphs [0061]-[0062]; and claims 1-3.
5,6,14,15,19
(3)
Y
US 2018-0265763 A1 (HALLIBURTON ENERGY SERVICES, INC.) 20 September 2018 See claim 1.
9,10,14,15,20
(4)
A
CN 103740341 A (DONGYING TAI ER PETROLEUM TECHNOLOGY CO., LTD.) 23 April 2014 See claims 1-2.
1-20
(5)
A
WO 97-44405 A1 (BAROID TECHNOLOGY, INC.) 27 November 1997 See claims 1, 5.
1-20
*
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 2013-0210685 A1
15 August 2013
US 2013-0112405 A1
US 2013-0213642 A1
US 2013-0213643 A1
US 2015-0107838 A1
US 2015-0247383 A1
US 8505630 B2
US 8544543 B2
US 8691737 B2
US 9903184 B2
09 May 2013
22 August 2013
22 August 2013
23 April 2015
03 September 2015
13 August 2013
01 October 2013
08 April 2014
27 February 2018
US 2006-0166836 A1
27 July 2006
CA 2595073 A1
CA 2595073 C
EP 1846532 A1
EP 1846532 B1
MX 2007008970 A
US 2006-0166837 A1
US 2006-0178276 A1
US 2008-0004187 A1
US 2008-0026957 A1
US 2008-0305971 A1
US 2009-0023613 A1
US 7494957 B2
US 7531483 B2
US 7569522 B2
US 7781380 B2
US 7833949 B2
US 8367589 B2
WO 2006-077558 A1
WO 2007-085983 A1
27 July 2006
13 September 2011
24 October 2007
18 September 2013
26 September 2007
27 July 2006
10 August 2006
03 January 2008
31 January 2008
11 December 2008
22 January 2009
24 February 2009
12 May 2009
04 August 2009
24 August 2010
16 November 2010
05 February 2013
27 July 2006
02 August 2007
US 2018-0265763 A1
20 September 2018
AR 106125 A1
AU 2015-413284 A1
BR 112018005760 A2
CA 2998489 A1
GB 2557779 A
MX 2018003760 A
NO 20180404 A1
WO 2017-074301 A1
13 December 2017
12 April 2018
09 October 2018
04 May 2017
27 June 2018
06 July 2018
22 March 2018
04 May 2017
CN 103740341 A
23 April 2014
CN 103740341 B
13 January 2016
WO 97-44405 A1
27 November 1997
AU 3122297 A
AU 725916 B2
BR 9710442 A
CA 2254920 A1
CN 1141352 C
CN 1221445 A
CZ 370898 A3
EP 0912651 A1
IL 127064 A
JP 2000-511222 A
KR 10-0468485 B1
KR 10-2000-0011106 A
NO 985330 L
PL 330156 A1
TR 199802343 T2
US 5955401 A
09 December 1997
26 October 2000
17 August 1999
27 November 1997
10 March 2004
30 June 1999
14 April 1999
06 May 1999
25 September 2005
29 August 2000
16 May 2005
25 February 2000
18 January 1999
26 April 1999
22 February 1999
21 September 1999
Name and mailing address of the ISA/:
Korean Intellectual Property Office
189 Cheongsa-ro, Seo-gu, Daejeon Metropolitan City, 302-701
Republic of Korea
Facsimile No. +82-42-481-8578
Date of the actual completion of the international search:
18 October 2019
Date of mailing of the international search report:
21 October 2019
Authorized officer:
HAN, Inho
Telephone No. +82-42-481-3362
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