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1. (WO2019028127) ZINC OXIDE-BASED SORBENTS USING ALKALI METAL HYDROXIDES AND PROCESSES FOR PREPARING AND USING SAME



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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/US2018/044781 121-53-PCT
International filing date (day/month/year) (Earliest) Priority Date (day/month/year)
01 August 2018 01 August 2017
Applicant
RESEARCH TRIANGLE INSTITUTE
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
This international search report has not been established in respect of certain claims under Article 17(2)(a) for the following reasons:
1.
Claims Nos.:
because they relate to subject matter not required to be searched by this Authority, namely:
2.
Claims Nos.: 14-16,19,21,25,26,30
because they relate to parts of the international application that do not comply with the prescribed requirements to such an extent that no meaningful international search can be carried out, specifically:
Claims 14-16, 19, 21, 25, 26 and 30 each refer to one of claims which are not drafted in accordance with PCT Rule 6.4(a).
3.
Claims Nos.: 9-13,17,18,20,22-24,27-29
because they are dependent claims and are not drafted in accordance with the second and third sentences of Rule 6.4(a).
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.     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.
b.
none of the figures is to be published with the abstract.

A. CLASSIFICATION OF SUBJECT MATTER

     B01J 20/06 (2006.01)i; B01J 20/02 (2006.01)i; B01J 20/28 (2006.01)i; B01J 35/00 (2006.01)i; B01D 53/02 (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):
Documentation searched other than minimum documentation to the extent that such documents are included in the fields searched:
Korean utility models and applications for utility modelsJapanese utility models and applications for utility models
Electronic data base consulted during the international search (name of data base and, where practicable, search terms used):
eKOMPASS(KIPO internal) & Keywords: zinc oxide-based sorbent, zinc oxide, zinc aluminate, two phase component, coprecipitate, alkali metal hydroxide

C. DOCUMENTS CONSIDERED TO BE RELEVANT

Category* Citation of document, with indication, where appropriate, of the relevant passages Relevant to claim No.
(1)
Y
US 6951635 B2 (GANGWAL, SANTOSH KUMAR et al.) 04 October 2005 See paragraphs [0002], [0054], [0073]-[0075]; and claims 1, 20-22.
1-8
(2)
Y
SASAOKA, EIJI et al., "Stability of zinc oxide high-temperature desulfurization sorbents for reduction", 1994, Energy & Fuels, vol.8, pp.763-769 See page 764.
1-8
(3)
Y
US 7956006 B2 (GANGWAL, SANTOSH KUMAR et al.) 07 June 2011 See paragraphs [0003], [0054]]; and claims 1-13, 20.
1-8
(4)
A
SASAOKA, EIJI et al., "Characterization of reaction between zinc oxide and hydrogen sulfide", Energy & Fuels, 1994, vol.8, pp.1100-1105 See the whole document.
1-8
(5)
A
US 2010-0170394 A1 (DODWELL, GLENN W. et al.) 08 July 2010 See the whole document.
1-8
*
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 6951635 B2
04 October 2005
US 2005-070430 A1
31 March 2005
US 7956006 B2
07 June 2011
AU 2005-323528 A1
AU 2005-323528 B2
CA 2593799 A1
CA 2593799 C
CN 101119796 A
CN 101119796 B
EP 1843840 A1
EP 1843840 A4
JP 2008-526488 A
JP 5112078 B2
KR 10-1236612 B1
KR 10-2007-0100788 A
US 2008-0022852 A1
US 2008-0026939 A1
US 7682423
US 7682423 B2
WO 2006-073389 A1
13 July 2006
25 February 2010
13 July 2006
16 April 2013
06 February 2008
17 November 2010
17 October 2007
03 April 2013
24 July 2008
09 January 2013
22 February 2013
11 October 2007
31 January 2008
31 January 2008
23 March 2010
23 March 2010
13 July 2006
US 2010-0170394 A1
08 July 2010
CN 101773815 A
CN 101773815 B
US 8268745 B2
14 July 2010
17 July 2013
18 September 2012
Name and mailing address of the ISA/:
Korean Intellectual Property Office
189 Cheongsa-ro, Seo-gu, Daejeon Metropolitan City, 302-701
Republic of Korea
Facsimile No. +82-42-481-8578
Date of the actual completion of the international search:
18 December 2018
Date of mailing of the international search report:
18 December 2018
Authorized officer:
NAM, EUI HO
Telephone No. +82-42-481-5580
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