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International application No. Applicant's or agent's file reference
PCT/US2018/045475 81247-WO-PCT
International filing date (day/month/year) (Earliest) Priority Date (day/month/year)
07 August 2018 04 September 2017
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 1/22 (2006.01)i; C11D 3/00 (2006.01)i; C11D 3/37 (2006.01)i; C11D 11/00 (2006.01)i; C11D 17/06 (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.
WO 9736975 A1 (PROCTER & GAMBLE [US]) 09 October 1997 (1997-10-09)
page 5, paragraph 2 - page 6, paragraph 1
page 54, paragraph 2
pages 70-71; example 10(R')
EP 0299575 A1 (PROCTER & GAMBLE [US]) 18 January 1989 (1989-01-18)
page 1, lines 24-30
pages 7-8; examples V, VII
US 2014366281 A1 (MORT III PAUL R [CN] ET AL) 18 December 2014 (2014-12-18)
paragraphs [0001], [0004] - [0007]
example 3; table VI
WO 2006138111 A1 (3M INNOVATIVE PROPERTIES CO [US]) 28 December 2006 (2006-12-28)
page 7, line 22 - page 8, line 18
Special categories of cited documents:
document defining the general state of the art which is not considered to be of particular relevance
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
WO 9736975 A1
09 October 1997
CA 2250369 A1
EP 0901511 A1
GB 2311536 A
WO 9736975 A1
09 October 1997
17 March 1999
01 October 1997
09 October 1997
EP 0299575 A1
18 January 1989
DE 3887020 D1
DE 3887020 T2
DK 393888 A
EP 0299575 A1
FI 883340 A
IE 61938 B1
JP 2620318 B2
JP H0198697 A
24 February 1994
09 June 1994
15 January 1989
18 January 1989
15 January 1989
30 November 1994
11 June 1997
17 April 1989
US 2014366281 A1
18 December 2014
WO 2006138111 A1
28 December 2006
AU 2006259687 A1
BR PI0613333 A2
CA 2610945 A1
CN 101198308 A
EP 1893167 A1
JP 5266049 B2
JP 2008546692 A
KR 20080026546 A
TW 200710220 A
US 2006281663 A1
US 2009326076 A1
US 2010327013 A1
US 2010331411 A1
WO 2006138111 A1
28 December 2006
04 January 2011
28 December 2006
11 June 2008
05 March 2008
21 August 2013
25 December 2008
25 March 2008
16 March 2007
14 December 2006
31 December 2009
30 December 2010
30 December 2010
28 December 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:
15 November 2018
Date of mailing of the international search report:
21 November 2018
Authorized officer:
Bertran Nadal, Josep
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