Processing

Please wait...

PATENTSCOPE will be unavailable a few hours for maintenance reason on Tuesday 27.07.2021 at 12:00 PM CEST
Settings

Settings

Goto Application

1. WO2018051095 - METHOD OF FORMING GRAPHENE NANOPLATELETS, GRAPHENE NANOPLATELETS SO-OBTAINED AND COMPOSITES COMPRISING SAID NANOPLATELETS


Disclaimer The image version (PDF) available on PATENTSCOPE is the official version. This online html version is provided to assist users. Despite the great care taken in its compilation to ensure a precise and accurate representation of the data appearing on the printed document/images, errors and/or omissions cannot be excluded due to the data transmittal, conversion and inherent limitations of the (optional) machine translation processes used. Hyperlinks followed by this symbol , are to external resources that are not controlled by WIPO. WIPO disclaims all liability regarding the above points.

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/GB2017/052712 P235165WO/DS
International filing date (day/month/year) (Earliest) Priority Date (day/month/year)
14 September 2017 15 September 2016
Applicant
UNIVERSITY OF SUNDERLAND
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
This International Searching Authority found multiple inventions in this international application, as follows:
1. claims: 1-25, 31-46
Method of forming graphene nanoplatelets comprising (a) providing a aqueous suspension comprising expanded graphite, (b) subjecting the suspension to exfoliation and (c) optionally isolating the graphene nanoplatelets, graphene nanoplatelets, composite comprising the graphene nanoplatelets
2. claims: 26-30
Method of forming an expanded graphite comprising heating an expandable graphite in flowing gas at a temperature of at least 600°C.
1.
As all required additional search fees were timely paid by the applicant, this international search report covers all searchable claims.
2.
As all searchable claims could be searched without effort justifying additional fees, this Authority did not invite payment of additional fees.
3.
As only some of the required additional search fees were timely paid by the applicant, this international search report covers only those claims for which fees were paid, specifically claims Nos.:
4.
No required additional search fees were timely paid by the applicant. Consequently, this international search report is restricted to the invention first mentioned in the claims; it is covered by claims Nos.: 1-25, 31-46
Remark on Protest
The additional search fees were accompanied by the applicant’s protest and, where applicable, the payment of a protest fee.
The additional search fees were accompanied by the applicant’s protest but the applicable protest fee was not paid within the time limit specified in the invitation.
No protest accompanied the payment of additional search fees.
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:
METHOD OF FORMING GRAPHENE NANOPLATELETS, GRAPHENE NANOPLATELETS SO-OBTAINED AND COMPOSITES COMPRISING SAID NANOPLATELETS

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.     6    
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

     C01B 32/19 (2017.01)i; C01B 32/225 (2017.01)i; C08K 3/04 (2006.01)i; C08K 7/14 (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):
     C01B
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, INSPEC, COMPENDEX, CHEM ABS 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
WO 2015193267 A1 (DIRECTA PLUS S P A [IT]) 23 December 2015 (2015-12-23)
1-25,31-34
claims 1-11
page 4, line 7 - page 5, line 7
page 9, line 6 - line 24
examples 1, 2, 3, 5, 9, 10
(2)
X
WANJUN LIU ET AL, "Influence of Processing on Morphology, Electrical Conductivity and Flexural Properties of Exfoliated Graphite Nanoplatelets-Polyamide Nanocomposites", CARBON LETTERS,Vol. 11, No. 4, 30 December 2010 (2010-12-30), page 279-284,
XP055418566
32-38,44-46
abstract
page 280, "2. Material considerations" to page 281, figure 2
(3)
X
LURAYNI DIAZ-CHACON ET AL, "Graphite Nanoplatelets Composite Materials: Role of the Epoxy-System in the Thermal Conductivity", JOURNAL OF MATERIALS SCIENCE AND CHEMICAL ENGINEERING,Vol. 03, No. 05, 01 January 2015 (2015-01-01), page 75-87,
XP055418627
32-37,39,44-46
abstract
paragraph "2.1. Materials and Method"
(4)
X
WANG FUZHONG ET AL, "Size effect of graphene nanoplatelets on the morphology and mechanical behavior of glass fiber/epoxy composites", 17 December 2015 (2015-12-17), Vol. 51, No. 7, page 3337-3348,
XP035914649
[retrieved on  2015-12-17]
32-37,39-46
abstract
page 3341, table 2
(5)
A
WO 2016096484 A1 (TATA STEEL UK LTD [GB]) 23 June 2016 (2016-06-23)
1,20-23,32-35
page 2, line 11 - page 3, line 28
claims 1-12
*
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)
WO 2015193267 A1
23 December 2015
CN 106470941 A
EP 3157864 A1
US 2017190581 A1
WO 2015193267 A1
01 March 2017
26 April 2017
06 July 2017
23 December 2015
WO 2016096484 A1
23 June 2016
EP 3233726 A1
WO 2016096484 A1
25 October 2017
23 June 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:
31 October 2017
Date of mailing of the international search report:
10 January 2018
Authorized officer:
Rigondaud, Bernard
Top    Part 1: 1 2 3 4 5 6         Part 2: A B C D E