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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/US2017/024277 CM4227MQ-DW
International filing date (day/month/year) (Earliest) Priority Date (day/month/year)
27 March 2017 08 April 2016
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.


     C11D 3/37 (2006.01)i; C11D 1/83 (2006.01)i; C11D 1/72 (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):
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.
DATABASE WPI Thomson Scientific, London, GB; 2004, Vol. 2004, No. 06, AN 2004-0559430
& JP 2003183694  A  (LION CORP) 03 July 2003 (2003-07-03)
paragraphs [0046] - [0062]; claims 1, 2
WO 2005052107 A1 (PROCTER & GAMBLE [US]; REDDY PRAMOD KAKUMANU [DE]; SONG XINBEI [US]; D) 09 June 2005 (2005-06-09)
cited in the application
* copolymers 1, 2 *;claims 1-6, 9; table 2
EP 2923218 A1 (APPLE INC [US]) 30 September 2015 (2015-09-30)
claims 1-4, 10, 18; examples
WO 2004055075 A1 (UNILEVER PLC [GB]; UNILEVER NV [NL]; LEVER HINDUSTAN LTD [IN]) 01 July 2004 (2004-07-01)
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
JP 2003183694 A
03 July 2003
JP 3828007 B2
JP 2003183694 A
27 September 2006
03 July 2003
WO 2005052107 A1
09 June 2005
AT 405627 T
BR PI0416826 A
CA 2545837 A1
CN 1882678 A
EG 24666 A
EP 1685227 A1
JP 4425924 B2
JP 2007510806 A
MX PA06005682 A
US 2005113280 A1
WO 2005052107 A1
15 September 2008
13 February 2007
09 June 2005
20 December 2006
11 April 2010
02 August 2006
03 March 2010
26 April 2007
17 August 2006
26 May 2005
09 June 2005
EP 2923218 A1
30 September 2015
AU 2013348177 A1
CN 104781686 A
EP 2923218 A1
US 2014141796 A1
US 2016198308 A1
WO 2014081699 A1
04 June 2015
15 July 2015
30 September 2015
22 May 2014
07 July 2016
30 May 2014
WO 2004055075 A1
01 July 2004
AR 042366 A1
AT 364642 T
AU 2003292028 A1
BR 0316933 A
CA 2506819 A1
CL 2003002612 A1
CN 1726239 A
DE 60314445 T2
EP 1569972 A1
ES 2287530 T3
US 2004127391 A1
WO 2004055075 A1
ZA 200504561 B
15 June 2005
15 July 2007
09 July 2004
18 October 2005
01 July 2004
08 April 2005
25 January 2006
21 February 2008
07 September 2005
16 December 2007
01 July 2004
01 July 2004
30 August 2006
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:
06 July 2017
Date of mailing of the international search report:
18 July 2017
Authorized officer:
Loiselet-Taisne, S
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