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1. WO2020136656 - NANOCOMPOSITES COMPRISING BIODEGRADABLE POLYMERS AND INORGANIC NANOPARTICLES, METHODS OF PREPARATION AND USES THEREOF


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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/IL2019/051419 P-583170-PC
International filing date (day/month/year) (Earliest) Priority Date (day/month/year)
26 December 2019 27 December 2018
Applicant
YEDA RESEARCH AND DEVELOPMENT CO. LTD.
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.     2D    
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

     C08J 3/215 (2006.01)i; C08K 3/30 (2006.01)i; A61L 27/44 (2006.01)i; B29C 64/118 (2017.01)i; B33Y 70/10 (2020.01)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):
     C08J; C08K; A61L; B29C; B33Y
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
LOREDANA TAMMARO ET AL, "Effect of tungsten disulfide (WS2) nanotubes on structural, morphological and mechanical properties of poly(L-lactide) (PLLA) films", AIP CONFERENCE PROCEEDINGS,Vol. 1981, 01 January 2018 (2018-01-01), page 020073,
XP055676991
1-22
page 2
(2)
A
CHANGQING YE ET AL, "Preparation of Poly(lactic- co -glycolic acid)-Based Composite Microfibers for Postoperative Treatment of Tumor in NIR I and NIR II Biowindows", MACROMOLECULAR BIOSCIENCE,Vol. 18, No. 10, 01 October 2018 (2018-10-01), page 1800206,
XP055677075
1-22
page 2
(3)
X
MOHAMMED NAFFAKH ET AL, "Development of novel melt-processable biopolymer nanocomposites based on poly(l-lactic acid) and WS2 inorganic nanotubes", CRYSTENGCOMM,Vol. 16, No. 23, 01 January 2014 (2014-01-01), page 5062,
XP055676957
1-8,17
page 5063
(4)
A
NAFFAKH MOHAMMED ET AL, "Novel poly(3-hydroxybutyrate) nanocomposites containing WS2inorganic nanotubes with improved thermal, mechanical and tribological properties", MATERIALS CHEMISTRY AND PHYSICS, ELSEVIER SA, SWITZERLAND, TAIWAN, REPUBLIC OF CHINA,Vol. 147, No. 1, 15 May 2014 (2014-05-15), page 273-284,
XP029006440
1-22
figures 11,12
(5)
X
CATALDI PIETRO ET AL, "Effect of graphene nano-platelet morphology on the elastic modulus of soft and hard biopolymers", CARBON, ELSEVIER, OXFORD, GB,Vol. 109, 13 August 2016 (2016-08-13), page 331-339,
XP029786625
1-10,13-18
Y
figures 2,4
11,12
(6)
Y
US 2006165926 A1 (WEBER JAN [US]) 27 July 2006 (2006-07-27)
11,12,21,22
page 1, paragraph 5-6
page 3, paragraph 26
page 4, paragraphs 29,33
page 5, paragraph 42; claim 17
(7)
A
US 2015073560 A1 (SHAVIT RONEN [IL]) 12 March 2015 (2015-03-12)
21,22
page 4; claims
(8)
Y
US 2017066188 A1 (LUO XIAOFAN [CN] ET AL) 09 March 2017 (2017-03-09)
19,20
page 3, paragraph 24; claims
(9)
A
WO 2018086520 A1 (KONE CORP [FI]; KONE ELEVATORS CO LTD [CN]) 17 May 2018 (2018-05-17)
1-22
claim 10
(10)
A
GOLDBART OHAD ET AL, "Lubricating Medical Devices with Fullerene-Like Nanoparticles", 23 April 2014 (2014-04-23), Vol. 55, No. 1, page 103-109,
XP035318743
[retrieved on  2014-04-23]
21,22
cited in the application
page 103
(11)
Y
MOHAMMED NAFFAKH ET AL, "Isothermal crystallization kinetics and melting behavior of poly(l-lactic acid)/WS2 inorganic nanotube nanocomposites", JOURNAL OF MATERIALS SCIENCE,Vol. 50, No. 18, 11 June 2015 (2015-06-11), page 6066-6074,
XP055677010
19,20
page 6074
(12)
DATABASE WPI Thomson Scientific, London, GB; Vol. 2014, No. 33, AN 2014-J44678
XP002798363
Y
& CN 103654999  A  (NAT ENG RES CENT NANOTECHNOLOGY) 26 March 2014 (2014-03-26)
21,22
abstract
*
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 2006165926 A1
27 July 2006
CA 2600865 A1
EP 1848469 A2
JP 2008528246 A
US 2006165926 A1
WO 2007086855 A2
02 August 2007
31 October 2007
31 July 2008
27 July 2006
02 August 2007
US 2015073560 A1
12 March 2015
CA 2923971 A1
CN 106068132 A
EP 3043837 A1
US 2015073560 A1
US 2017128626 A1
WO 2015036989 A1
19 March 2015
02 November 2016
20 July 2016
12 March 2015
11 May 2017
19 March 2015
US 2017066188 A1
09 March 2017
CN 106715100 A
EP 3140106 A1
US 2017066188 A1
US 2019240967 A1
WO 2015168922 A1
WO 2015169257 A1
24 May 2017
15 March 2017
09 March 2017
08 August 2019
12 November 2015
12 November 2015
WO 2018086520 A1
17 May 2018
CN 108059055 A
WO 2018086520 A1
22 May 2018
17 May 2018
CN 103654999 A
26 March 2014
NONE
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:
17 March 2020
Date of mailing of the international search report:
30 March 2020
Authorized officer:
Masson, Patrick
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