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1. (WO2019064231) CHITOSANE DE POIDS MOLÉCULAIRE ÉLEVÉ, SON PROCÉDÉ D'OBTENTION ET SES UTILISATIONS



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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/IB2018/057514 P533-2WO
International filing date (day/month/year) (Earliest) Priority Date (day/month/year)
27 September 2018 27 September 2017
Applicant
ASSOCIATION FOR THE ADVANCEMENT OF TISSUE...
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. ____________
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

     C08B 37/08 (2006.01)i; C08L 5/08 (2006.01)i; A61L 27/52 (2006.01)i; A61L 31/04 (2006.01)i; C08J 3/075 (2006.01)i; A61K 9/00 (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):
     C08B; C08L; A61L; C08J; A61K
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)
Y
US 4195175 A (JOHNSON EDWIN L [US] ET AL) 25 March 1980 (1980-03-25)
1-8
column 1, lines 5-9
column 2, lines 27-47
column 4, lines 20-31
example 1
(2)
Y
EP 0897929 A1 (NIPPON SUISAN KAISHA LTD [JP]) 24 February 1999 (1999-02-24)
1-8
paragraphs [0002] - [0003], [0011], [0012]
examples 1, 4
(3)
Y
KR 20140039681 A (CATHOLIC UNIV DAEGU INDUSTRY ACADEMIC COOPERATION FOUNDATION [KR]) 02 April 2014 (2014-04-02)
1-8
paragraphs [0003] - [0004]
example 1
(4)
DATABASE WPI Thomson Scientific, London, GB; Vol. 2014, No. 34, AN 2014-G104250
XP002788517
X
& KR 20140039681  A  (UNIV DAEGU CATHOLIC IND ACAD COOP FOUND) 02 April 2014 (2014-04-02)
1-8
abstract
(5)
X
WO 9938893 A1 (MATCON RADGIVENDE ING FIRMA [DK]; JOENSEN JON OLAVUR [DK]) 05 August 1999 (1999-08-05)
9-23,30
page 1, lines 5-32
examples 1-2
(6)
X
WO 0203962 A2 (KEMESTRIE INC [CA]; CHORNET ESTEBAN [CA]; ISHIZAWA CLAUDIA [CA]; DUMIT) 17 January 2002 (2002-01-17)
9-11,14-16,18,22-31,33
sentences 5-9
page 2, lines 14-28
example 1
(7)
X
WO 2017136935 A1 (PROLLENIUM MEDICAL TECH INC [CA]) 17 August 2017 (2017-08-17)
9-12,14,16-20,32
page 1, lines 5-30
page 3, lines 28-31
page 5, lines 5-12
page 11, lines 12-28
(8)
X
WAH WAH THEIN-HAN AND WILLEM F. STEVENS, "Transdermal Delivery Controlled by a Chitosan Membrane", DRUG DEVELOPMENT AND INDUSTRIAL PHARMACY,Vol. 30, No. 4, 31 March 2004 (2004-03-31), page 397-404,
XP055550201
9-12,14,16-18,20-24,30,33,34
Materials and Methods;pages 398-399
In Vivo Release Study with Human Volunteers;page 402
*
Special categories of cited documents:
"A"
document defining the general state of the art which is not considered to be of particular relevance
"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 4195175 A
25 March 1980
NONE
EP 0897929 A1
24 February 1999
CA 2257067 A1
DE 69728260 D1
DE 69728260 T2
EP 0897929 A1
JP 4119482 B2
US 6251959 B1
WO 9742226 A1
13 November 1997
29 April 2004
24 February 2005
24 February 1999
16 July 2008
26 June 2001
13 November 1997
KR 20140039681 A
02 April 2014
NONE
WO 9938893 A1
05 August 1999
AU 2265399 A
DK 13998 A
NO 20003831 A
WO 9938893 A1
16 August 1999
03 August 1999
26 September 2000
05 August 1999
WO 0203962 A2
17 January 2002
AT 322891 T
AU 7226201 A
BR 0112258 A
CA 2415081 A1
EP 1299089 A2
JP 2004502722 A
NO 20030073 A
NZ 523418 A
US 2003157171 A1
WO 0203962 A2
15 April 2006
21 January 2002
24 June 2003
17 January 2002
09 April 2003
29 January 2004
06 March 2003
24 September 2004
21 August 2003
17 January 2002
WO 2017136935 A1
17 August 2017
US 2019046429 A1
WO 2017136935 A1
14 February 2019
17 August 2017
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 January 2019
Date of mailing of the international search report:
20 February 2019
Authorized officer:
Lartigue, M
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