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International application No. Applicant's or agent's file reference
PCT/US2020/012909 2019EM030
International filing date (day/month/year) (Earliest) Priority Date (day/month/year)
09 January 2020 04 February 2019
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.     1    
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.


     C09J 123/14 (2006.01)i; C08L 23/04 (2006.01)i; C08L 23/10 (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):
     C09J; C08L
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 8283400 B2 (RODRIGUEZ GEORGE [US]; SHIPLEY FRAN A [US] ET AL.) 09 October 2012 (2012-10-09)
cited in the application
claim 1
column 1, line 24 - line 59
tables 1,3
column 7, line 5
column 17, line 20 - column 18, line 33
column 34, line 49 - line 53
column 6, line 57 - line 60
US 2016130480 A1 (KAUFFMAN THOMAS F [US] ET AL) 12 May 2016 (2016-05-12)
examples 14-22; tables 4-6
paragraph [0002]
US 2018002578 A1 (KAUFFMAN THOMAS F [US] ET AL) 04 January 2018 (2018-01-04)
claims 1,8
example E22; table 9
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 8283400 B2
09 October 2012
US 2016130480 A1
12 May 2016
CN 107075331 A
EP 3215583 A1
JP 2017538806 A
US 2016130480 A1
WO 2016073868 A1
18 August 2017
13 September 2017
28 December 2017
12 May 2016
12 May 2016
US 2018002578 A1
04 January 2018
CA 3024733 A1
CN 109415606 A
EP 3478785 A1
JP 2019521219 A
US 2018002578 A1
WO 2018005949 A1
04 January 2018
01 March 2019
08 May 2019
25 July 2019
04 January 2018
04 January 2018
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:
25 March 2020
Date of mailing of the international search report:
06 April 2020
Authorized officer:
van Bergen, Marc
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