FI902888A - ENZYMPRODUKT OCH FOERFARANDE FOER FRAMSTAELLNING DAERAV. - Google Patents
ENZYMPRODUKT OCH FOERFARANDE FOER FRAMSTAELLNING DAERAV. Download PDFInfo
- Publication number
- FI902888A FI902888A FI902888A FI902888A FI902888A FI 902888 A FI902888 A FI 902888A FI 902888 A FI902888 A FI 902888A FI 902888 A FI902888 A FI 902888A FI 902888 A FI902888 A FI 902888A
- Authority
- FI
- Finland
- Prior art keywords
- enzymprodukt
- foerfarande foer
- foer framstaellning
- och foerfarande
- xylanase
- Prior art date
Links
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- Enzymes And Modification Thereof (AREA)
- Micro-Organisms Or Cultivation Processes Thereof (AREA)
Abstract
The invention relates to an enzyme product and a method for production thereof. The product according to the invention is produced by culturing the strain ATCC 21783 of the microorganism Bacillus circulans on an alkaline culture medium. It contains β-xylanase whose molecular weight is about 28 000 and isoelectric point about 8.8, and/or β-xylanase whose molecular weight is about 25 000 to about 28 000 and isoelectric point about 8.4 to 8.5. The xylanase product according to the invention is suitable for use in the bleaching of cellulose material, for example to reduce the use of bleaching chemicals such as chlorine dioxide.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI902888A FI85986C (en) | 1990-03-08 | 1990-06-08 | Enzyme product and process for its preparation |
AU79903/91A AU7990391A (en) | 1990-06-08 | 1991-06-10 | Beta -xylanase preparation, process for the preparation thereof and its use in pulp bleaching |
PCT/FI1991/000183 WO1991018978A1 (en) | 1990-06-08 | 1991-06-10 | β-XYLANASE PREPARATION, PROCESS FOR THE PREPARATION THEREOF AND ITS USE IN PULP BLEACHING |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI901164A FI901164A (en) | 1990-03-08 | 1990-03-08 | BEHANDLINGSFOERFARANDE FOER CELLULOSAMASSA. |
FI901164 | 1990-03-08 | ||
FI902888 | 1990-06-08 | ||
FI902888A FI85986C (en) | 1990-03-08 | 1990-06-08 | Enzyme product and process for its preparation |
Publications (4)
Publication Number | Publication Date |
---|---|
FI902888A0 FI902888A0 (en) | 1990-06-08 |
FI902888A true FI902888A (en) | 1991-09-09 |
FI85986B FI85986B (en) | 1992-03-13 |
FI85986C FI85986C (en) | 1992-06-25 |
Family
ID=26158709
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI902888A FI85986C (en) | 1990-03-08 | 1990-06-08 | Enzyme product and process for its preparation |
Country Status (1)
Country | Link |
---|---|
FI (1) | FI85986C (en) |
-
1990
- 1990-06-08 FI FI902888A patent/FI85986C/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
FI85986B (en) | 1992-03-13 |
FI902888A0 (en) | 1990-06-08 |
FI85986C (en) | 1992-06-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM | Patent lapsed | ||
MM | Patent lapsed |
Owner name: VALTION TEKNILLINEN TUTKIMUSKESKUS |