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Mutant Xylanase Manufacturing Method And Use Therefor And Method For Manufacturing Saccharified Lignocellulose

Abstract: The present invention addresses the following problems: providing an inexpensive efficient lignocellulose saccharification method using a thermostable xylanase; and providing a mutant xylanase that has a substituted amino acid residue exhibits stable activity even under harsh conditions in which enzymes are easily deactivated and has an initial reaction rate not much less than that of the corresponding wild type xylanase. A lignocellulose saccharification method that includes bringing a lignocellulose feedstock into contact with a thermostable xylanase; and a mutant xylanase that has a substituted amino acid residue has an initial reaction rate at least 70% of that of the corresponding wild type xylanase and after a 24 hour heat treatment at 50°C exhibits xylanase activity at least 50% of that exhibited before said heat treatment.

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Notices, Deadlines & Correspondence

Patent Information

Application #
Filing Date
10 June 2014
Publication Number
36/2016
Publication Type
INA
Invention Field
MICRO BIOLOGY
Status
Email
remfry-sagar@remfry.com
Parent Application
Patent Number
Legal Status
Grant Date
2020-02-18
Renewal Date

Applicants

MITSUI CHEMICALS INC.
5 2 Higashi Shimbashi 1 chome Minato ku Tokyo 1057117
MEIJI SEIKA PHARMA CO. LTD.
4 16 Kyobashi 2 chome Chuo ku Tokyo 1048002

Inventors

1. YANAI Hisaaki
c/o Mitsui Chemicals Inc. 1144 Togo Mobara shi Chiba 2970017
2. TAMAI Hiroki
c/o Mitsui Chemicals Inc. 580 32 Nagaura Sodegaura shi Chiba 2990265
3. OSABE Masami
c/o Mitsui Chemicals Inc. 1144 Togo Mobara shi Chiba 2970017
4. YOKOYAMA Fumikazu
c/o Meiji Seika Pharma Co.Ltd. 788 Kayama Odawara shi Kanagawa 2500852
5. OKAKURA Kaoru
c/o Meiji Seika Pharma Co.Ltd. 788 Kayama Odawara shi Kanagawa 2500852
6. INOUE Atsushi
c/o Meiji Seika Pharma Co.Ltd. 788 Kayama Odawara shi Kanagawa 2500852

Specification

Documents

Application Documents

# Name Date
1 4716-DELNP-2014-GPA-(12-06-2014).pdf 2014-06-12
2 4716-DELNP-2014-Correspondence-Others-(12-06-2014).pdf 2014-06-12
3 PCT-IB-304.pdf 2014-06-16
4 OTHER DOCUMENT.pdf 2014-06-16
5 FORM 5.pdf 2014-06-16
6 FORM 3.pdf 2014-06-16
7 FORM 2 + SPECIFICATION.pdf 2014-06-16
8 Copy of General Power of Authority -MITSUI.pdf 2014-06-16
9 4716-DELNP-2014.pdf 2014-07-10
10 4716-delnp-2014-Form-3-(13-07-2014).pdf 2014-07-13
11 4716-delnp-2014-Correspondence-Others-(27-08-2014).pdf 2014-08-27
12 4716-delnp-2014-Form-3-(23-09-2014).pdf 2014-09-23
13 4716-delnp-2014-Correspondence-Others-(23-09-2014).pdf 2014-09-23
14 4716-delnp-2014-Correspondence Other-(13-07-2015).pdf 2015-07-13
15 4716-delnp-2014-Form-3-(31-12-2015).pdf 2015-12-31
16 4716-delnp-2014-Correspondence Others-(31-12-2015).pdf 2015-12-31
17 4716-delnp-2014-Form-3-(28-03-2016).pdf 2016-03-28
18 4716-delnp-2014-Correspondence Others-(28-03-2016).pdf 2016-03-28
19 Form 3 [07-11-2016(online)].pdf 2016-11-07
20 Form 3 [02-03-2017(online)].pdf 2017-03-02
21 4716-DELNP-2014-FORM 3 [28-07-2017(online)].pdf 2017-07-28
22 4716-DELNP-2014-FORM 3 [05-02-2018(online)].pdf 2018-02-05
23 4716-DELNP-2014-FER.pdf 2018-03-21
24 4716-DELNP-2014-FORM 3 [23-03-2018(online)].pdf 2018-03-23
25 4716-DELNP-2014-FORM 3 [07-06-2018(online)].pdf 2018-06-07
26 4716-DELNP-2014-PETITION UNDER RULE 137 [06-08-2018(online)].pdf 2018-08-06
27 4716-DELNP-2014-FORM 3 [06-08-2018(online)].pdf 2018-08-06
28 4716-DELNP-2014-OTHERS [22-08-2018(online)].pdf 2018-08-22
29 4716-DELNP-2014-FER_SER_REPLY [22-08-2018(online)].pdf 2018-08-22
30 4716-DELNP-2014-CLAIMS [22-08-2018(online)].pdf 2018-08-22
31 4716-DELNP-2014-ABSTRACT [22-08-2018(online)].pdf 2018-08-22
32 4716-DELNP-2014-MARKED COPIES OF AMENDEMENTS [17-09-2018(online)].pdf 2018-09-17
33 4716-DELNP-2014-AMMENDED DOCUMENTS [17-09-2018(online)].pdf 2018-09-17
34 4716-DELNP-2014-Amendment Of Application Before Grant - Form 13 [17-09-2018(online)].pdf 2018-09-17
35 4716-DELNP-2014-FORM 3 [05-11-2018(online)].pdf 2018-11-05
36 4716-DELNP-2014-FORM 3 [21-01-2019(online)].pdf 2019-01-21
37 4716-DELNP-2014-FORM 3 [05-06-2019(online)].pdf 2019-06-05
38 4716-DELNP-2014-FORM 3 [08-07-2019(online)].pdf 2019-07-08
39 4716-DELNP-2014-FORM 3 [16-09-2019(online)].pdf 2019-09-16
40 4716-DELNP-2014-REQUEST FOR ADJOURNMENT OF HEARING UNDER RULE 129A [27-09-2019(online)].pdf 2019-09-27
41 4716-DELNP-2014-ExtendedHearingNoticeLetter-(DateOfHearing-11-11-2019).pdf 2019-10-04
42 4716-DELNP-2014-HearingNoticeLetter09-10-2019.pdf 2019-10-09
43 4716-DELNP-2014-FORM-26 [04-11-2019(online)].pdf 2019-11-04
44 4716-DELNP-2014-Correspondence to notify the Controller (Mandatory) [07-11-2019(online)].pdf 2019-11-07
45 4716-DELNP-2014-Power of Attorney-071119.pdf 2019-11-13
46 4716-DELNP-2014-Correspondence-071119.pdf 2019-11-13
47 4716-DELNP-2014-Written submissions and relevant documents (MANDATORY) [25-11-2019(online)].pdf 2019-11-25
48 4716-DELNP-2014-FORM 3 [04-01-2020(online)].pdf 2020-01-04
49 4716-DELNP-2014-PatentCertificate18-02-2020.pdf 2020-02-18
50 4716-DELNP-2014-IntimationOfGrant18-02-2020.pdf 2020-02-18
51 4716-DELNP-2014-RELEVANT DOCUMENTS [08-09-2021(online)].pdf 2021-09-08
52 4716-DELNP-2014-RELEVANT DOCUMENTS [21-09-2022(online)].pdf 2022-09-21
53 4716-DELNP-2014-POWER OF AUTHORITY [13-01-2023(online)].pdf 2023-01-13
54 4716-DELNP-2014-FORM-16 [13-01-2023(online)].pdf 2023-01-13
55 4716-DELNP-2014-ASSIGNMENT WITH VERIFIED COPY [13-01-2023(online)].pdf 2023-01-13

Search Strategy

1 4716SS_20-03-2018.pdf

ERegister / Renewals

3rd: 27 Apr 2020

From 22/11/2014 - To 22/11/2015

4th: 27 Apr 2020

From 22/11/2015 - To 22/11/2016

5th: 27 Apr 2020

From 22/11/2016 - To 22/11/2017

6th: 27 Apr 2020

From 22/11/2017 - To 22/11/2018

7th: 27 Apr 2020

From 22/11/2018 - To 22/11/2019

8th: 27 Apr 2020

From 22/11/2019 - To 22/11/2020

9th: 16 Nov 2020

From 22/11/2020 - To 22/11/2021

10th: 16 Nov 2021

From 22/11/2021 - To 22/11/2022

11th: 18 Nov 2022

From 22/11/2022 - To 22/11/2023