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1. (WO2018146651) THERMAL MULTI-LAYER INSULATION AND RADIO-FREQUENCY ABSORBER BLANKET



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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/IB2018/050858 P439-7WO
International filing date (day/month/year) (Earliest) Priority Date (day/month/year)
12 February 2018 10 February 2017
Applicant
HPS - HIGH PERFORMANCE STRUCTURES, GESTAO E
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.     1B    
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

     H01Q 17/00 (2006.01)i; H01Q 15/00 (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):
     H01Q
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)
Y
Chandrika Sudhendra ET AL, "An Ultra Wide Band Radar Absorber Based on Square Patch Resistive FSS", Chennai, India 06 February 2014 (2014-02-06), page 1-5,
Retrieved from the Internet:
URL:https://atmsindia.org/tech_papers/2014/20_FULL PAPER_An Ultra Wide Band Radar Absorber Based on Square Patch Resistive FSS.docx
XP055399140
[retrieved on  2017-08-16]
1-13
sections II. and III.;figures 1(a), 1(b), 2-6; table 1
(2)
Y
SUDHENDRA CHANDRIKA ET AL, "A novel ultra wide band Radar Absorber based on hexagonal resistive patch FSS", 2013 IEEE APPLIED ELECTROMAGNETICS CONFERENCE (AEMC), IEEE,18 December 2013 (2013-12-18), page 1-2,
XP032737454
1-13
sections I.-III.;figures 1, 2(b), 4, 5(a); table 1
(3)
Y
SUDHENDRA CHANDRIKA ET AL, "A novel ultra wide band radar absorber with reduced thickness for circular polarization", 2014 INTERNATIONAL CONFERENCE ON ADVANCES IN ELECTRONICS COMPUTERS AND COMMUNICATIONS, IEEE,10 October 2014 (2014-10-10), page 1-4,
XP032718000
1-13
sections I.-III.;figures 1(a), 1(b); table 1
(4)
A
HUI ZHAO ET AL, "Study on the transmission characteristics of a double layered complementary frequency selective surface", 2016 11TH INTERNATIONAL SYMPOSIUM ON ANTENNAS, PROPAGATION AND EM THEORY (ISAPE), IEEE,18 October 2016 (2016-10-18), page 731-734,
XP033053319
14,15
sections II. and III.;page 731 - page 734; figures 1, 2, 4, 5, 10, 11
(5)
Y
US 4038660 A (CONNOLLY THOMAS M ET AL) 26 July 1977 (1977-07-26)
1-13
column 2, line 49 - column 2, line 50; figure 1
column 5, line 45 - column 5, line 53
column 6, line 31 - column 6, line 38
(6)
Y
US 4860023 A (HALM RUDOLF [NL]) 22 August 1989 (1989-08-22)
1-13
A
column 2, line 31 - column 2, line 58; figure 3
14,15
column 6, line 14 - column 6, line 20
column 3, line 55 - column 3, line 59
(7)
A
Arup Ray ET AL, "A Dual Tuned Complementary Structure Frequency Selective Surface for WLAN Applications", 20 June 2012 (2012-06-20), page 144-153,
Retrieved from the Internet:
URL:http://www.scielo.br/pdf/jmoea/v11n1/a12v11n1.pdf
XP055266427
[retrieved on  2016-04-18]
14,15
figures 1-3, 6-8
(8)
A
US 5598989 A (ROSS BARRY S [US] ET AL) 04 February 1997 (1997-02-04)
1-13
column 2, line 3 - column 3, line 64; figures 2-5
(9)
A
TAKANO K ET AL, "Terahertz responses of near self-complementary metallic checkerboard patterns", INFRARED, MILLIMETER, AND TERAHERTZ WAVES, 2009. IRMMW-THZ 2009. 34TH INTERNATIONAL CONFERENCE ON, IEEE, PISCATAWAY, NJ, USA,21 September 2009 (2009-09-21), page 1,
XP031563255
ISBN: 9781424454167
15
the whole document
(10)
T
K. KEMPA, "Percolation effects in the checkerboard Babinet series of metamaterial structures", PHYSICA STATUS SOLIDI. RAPID RESEARCH LETTERS,Vol. 4, No. 8-9, 02 July 2010 (2010-07-02), page 218-220,
XP055399396
15
sections 2-5;figures 1, 2
(11)
T
YOSUKE NAKATA ET AL, "Plane-wave scattering by self-complementary metasurfaces in terms of electromagnetic duality and Babinet's principle", PHYSICAL REVIEW. B, CONDENSED MATTER AND MATERIALS PHYSICS,Vol. 88, No. 20, 22 November 2013 (2013-11-22),
XP055399376
15
section V.;page 5 - page 7; figures 3, 4
*
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 4038660 A
26 July 1977
NONE
US 4860023 A
22 August 1989
FR 2598339 A1
US 4860023 A
13 November 1987
22 August 1989
US 5598989 A
04 February 1997
DE 69228352 D1
DE 69228352 T2
EP 0539951 A1
US 5598989 A
US 5626314 A
18 March 1999
17 June 1999
05 May 1993
04 February 1997
06 May 1997
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:
04 May 2018
Date of mailing of the international search report:
15 May 2018
Authorized officer:
Blech, Marcel
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