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1. (WO2019042968) A COMPOSITE AEROGEL AND PREPARATION METHOD AND APPLICATION THEREOF



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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/EP2018/073087 COV179034-WO
International filing date (day/month/year) (Earliest) Priority Date (day/month/year)
28 August 2018 29 August 2017
Applicant
COVESTRO DEUTSCHLAND AG
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

     C01B 33/158 (2006.01)i; C04B 14/06 (2006.01)i; C08G 18/50 (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):
     C01B; C04B; C08G
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)
X
US 8067478 B1 (MEADOR MARY ANN B [US] ET AL) 29 November 2011 (2011-11-29)
1-11
Y
example 3
10,11
the whole document
(2)
X
US 7732496 B1 (LEVENTIS NICHOLAS [US] ET AL) 08 June 2010 (2010-06-08)
1-11
Y
example 2; table 2
10,11
the whole document
(3)
Y
WO 2007126410 A2 (ASPEN AEROGELS INC [US]; RHINE WENDELL E [US]; OU DUAN LI [US]; SONN J) 08 November 2007 (2007-11-08)
10,11
A
claims 22,23
1-9
the whole document
(4)
Y
US 2010292428 A1 (MEADOR MARY ANN B [US] ET AL) 18 November 2010 (2010-11-18)
10,11
A
example 4
1-9
the whole document
*
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 8067478 B1
29 November 2011
NONE
US 7732496 B1
08 June 2010
US 7732496 B1
US 2010179288 A1
08 June 2010
15 July 2010
WO 2007126410 A2
08 November 2007
US 2006286360 A1
WO 2007126410 A2
21 December 2006
08 November 2007
US 2010292428 A1
18 November 2010
EP 2566873 A2
US 2010292428 A1
WO 2011139633 A2
13 March 2013
18 November 2010
10 November 2011
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:
03 October 2018
Date of mailing of the international search report:
12 October 2018
Authorized officer:
Straub, Thomas
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