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International application No. Applicant's or agent's file reference
PCT/US2019/069061 4515-09901
International filing date (day/month/year) (Earliest) Priority Date (day/month/year)
31 December 2019 02 January 2019
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)).
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)).
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 filed or furnished:
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
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.
none of the figures is to be published with the abstract.


     C07C 29/151 (2006.01)i; C07C 31/04 (2006.01)i
According to International Patent Classification (IPC) or to both national classification and IPC


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: catalytic partial oxidation (CPO), methanol, near-isothermal condition, syngas, hydrogen, (H2-CO2)/(CO+CO2), recycle


Category* Citation of document, with indication, where appropriate, of the relevant passages Relevant to claim No.
US 2007-0282018 A1 (JENKINS, C. D. W. et al.) 06 December 2007 paragraphs [0040]-[0054], [0069]-[0089], [0104], [0113]; table 3; fig. 2
WO 2018-234971 A1 (SABIC GLOBAL TECHNOLOGIES, B.V.) 27 December 2018 paragraphs [0013], [0027], [0040]-[0079]
US 2013-0015405 A1 (QUINTERO, R. D. R. et al.) 17 January 2013 paragraphs [0115]-[0117]; figs. 4a-4d
JP 2017-101005 A (MITSUBISHI HEAVY IND. LTD.) 08 June 2017 claims 1-5
US 2007-0259972 A1 (LATTNER, J. R. et al.) 08 November 2007 paragraphs [0021], [0069], [0075]; fig. 1
Special categories of cited documents:
document defining the general state of the art which is not considered to be of particular relevance
document cited by the applicant in the international application
earlier application or patent but published on or after the international filing date
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)
document referring to an oral disclosure, use, exhibition or other means
document published prior to the international filing date but later than the priority date claimed
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
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
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


Patent document cited in search report Publication date
Patent family member(s) Publication date
US 2007-0282018 A1
06 December 2007
US 7772292 B2
WO 2007-142739 A2
WO 2007-142739 A3
10 August 2010
13 December 2007
29 August 2013
WO 2018-234971 A1
27 December 2018
US 2013-0015405 A1
17 January 2013
AU 2011-204499 A1
AU 2011-204499 A1
BR 112012016777 A2
CA 2786353 C
CA 2786353 A1
EA 201290618 A1
EP 2521690 A1
GB 201000156 D0
MY 165155 A
US 9561958 B2
WO 2011-083333 A1
26 July 2012
14 July 2011
12 April 2016
15 October 2019
14 July 2011
28 February 2013
14 November 2012
24 February 2010
28 February 2018
07 February 2017
14 July 2011
JP 2017-101005 A
08 June 2017
CN 108602739 A
JP 6663211 B2
RU 2697087 C1
US 2018-0354877 A1
WO 2017-094475 A1
28 September 2018
11 March 2020
12 August 2019
13 December 2018
08 June 2017
US 2007-0259972 A1
08 November 2007
US 7781490 B2
24 August 2010
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:
29 April 2020
Date of mailing of the international search report:
29 April 2020
Authorized officer:
MIN, In Gyou
Telephone No. +82-42-481-3326
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