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International application No. Applicant's or agent's file reference
PCT/EP2019/080788 2018P00220WO
International filing date (day/month/year) (Earliest) Priority Date (day/month/year)
11 November 2019 05 December 2018
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:
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. ____________
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.


     C08F 2/22 (2006.01)i; C08F 120/06 (2006.01)i; C08F 120/18 (2006.01)i; C08F 220/06 (2006.01)i; C08F 220/18 (2006.01)i; A61K 9/28 (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):
     C08F; 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


Category* Citation of document, with indication, where appropriate, of the relevant passages Relevant to claim No.
US 2005271778 A1 (PETEREIT HANS-ULRICH [DE] ET AL) 08 December 2005 (2005-12-08)
the whole document
US 5644011 A (LEEHMANN KLAUS [DE] ET AL) 01 July 1997 (1997-07-01)
cited in the application
claims 1, 18; example 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 2005271778 A1
08 December 2005
AU 2003280390 A1
BR 0317481 A
CA 2509913 A1
DE 10260919 A1
EP 1572162 A1
JP 2006515852 A
KR 20050088189 A
MX PA05006285 A
US 2005271778 A1
WO 2004058225 A1
22 July 2004
16 November 2005
15 July 2004
01 July 2004
14 September 2005
08 June 2006
02 September 2005
19 August 2005
08 December 2005
15 July 2004
US 5644011 A
01 July 1997
AT 260648 T
CZ 289663 B6
DE 9414066 U1
DE 59510866 D1
DK 0704208 T3
EP 0704208 A2
ES 2213153 T3
HU 221585 B
IN 188669 B
JP 4140982 B2
JP H0881392 A
SK 105995 A3
US 5644011 A
15 March 2004
13 March 2002
03 November 1994
08 April 2004
12 July 2004
03 April 1996
16 August 2004
28 November 2002
26 October 2002
27 August 2008
26 March 1996
08 January 1997
01 July 1997
Name and mailing address of the ISA/:
European Patent Office
P.B. 5818, Patentlaan 2, 2280 HV Rijswijk,
Telephone No. (+31-70)340-2040
Facsimile No. (+31-70)340-3016
Date of the actual completion of the international search:
22 November 2019
Date of mailing of the international search report:
05 December 2019
Authorized officer:
Lux, Rudolf
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