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1. WO2020193958 - CATALYST FOR A FUEL CELL


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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/GB2020/050743 P100664WO01
International filing date (day/month/year) (Earliest) Priority Date (day/month/year)
20 March 2020 22 March 2019
Applicant
JOHNSON MATTHEY FUEL CELLS LIMITED
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:
CATALYST FOR A FUEL CELL

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

     H01M 4/88 (2006.01)i; H01M 4/92 (2006.01)i; B01J 23/89 (2006.01)i; B01J 37/00 (2006.01)i; H01M 8/1018 (2016.01)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):
     H01M; B01J
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
US 2015255802 A1 (KIM HANSUNG [KR]) 10 September 2015 (2015-09-10)
1-3,5-9,11-18
Y
figure 1
4,10
claims 1-18
(2)
X
SOHN YEONSUN ET AL, "Dealloyed PtCu catalyst as an efficient electrocatalyst in oxygen reduction reaction", CURRENT APPLIED PHYSICS, NORTH-HOLLAND, AMSTERDAM, NL,Vol. 15, No. 9, 30 May 2015 (2015-05-30), page 993-999,
XP029262869
1-3,5-9,11-18
Y
abstract
4,10
page 994, paragraph 2. Expeimental details
(3)
X
P. MANI ET AL, "Dealloyed Pt-Cu Core-Shell Nanoparticle Electrocatalysts for Use in PEM Fuel Cell Cathodes", JOURNAL OF PHYSICAL CHEMISTRY C,Vol. 112, No. 7, 21 February 2008 (2008-02-21), page 2770-2778,
XP055026646
1-3,5-9,11-18
Y
abstract
4,10
page 2771, paragraph 2. Experimental Methods
(4)
X
DUBAU L ET AL, "Nanoscale compositional changes and modification of the surface reactivity of Pt"3Co/C nanoparticles during proton-exchange membrane fuel cell operation", 30 December 2010 (2010-12-30), Vol. 56, No. 2, page 776-783,
XP027577157
[retrieved on  2010-09-18]
1-3,5-9,11-18
Y
abstract
4,10
page 777, paragraph 2. Experimental - page 778
(5)
X
WO 2012110875 A2 (TOYOTA MOTOR CO LTD [JP]; MURATA HAJIME [JP] ET AL.) 23 August 2012 (2012-08-23)
1-3,5
paragraphs [0001] - [0005], [0035]
(6)
Y
US 2015086902 A1 (HARDS GRAHAM ALAN [GB] ET AL) 26 March 2015 (2015-03-26)
4,10
paragraph [0084]
claims 1,6,20
*
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 2015255802 A1
10 September 2015
KR 20150105742 A
US 2015255802 A1
18 September 2015
10 September 2015
WO 2012110875 A2
23 August 2012
CN 103403224 A
EP 2675939 A2
JP 5425825 B2
JP 2012172162 A
US 2013319871 A1
WO 2012110875 A2
20 November 2013
25 December 2013
26 February 2014
10 September 2012
05 December 2013
23 August 2012
US 2015086902 A1
26 March 2015
CN 104203408 A
EP 2830762 A1
JP 6209586 B2
JP 2015512782 A
KR 20140146591 A
US 2015086902 A1
WO 2013144631 A1
10 December 2014
04 February 2015
04 October 2017
30 April 2015
26 December 2014
26 March 2015
03 October 2013
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:
25 May 2020
Date of mailing of the international search report:
04 June 2020
Authorized officer:
Haering, Christian
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