Use of mannanases as slime control agents 机翻标题: 暂无翻译,请尝试点击翻译按钮。

公开号/公开日
EP0871596 A1 1998-10-21 [EP-871596] EP0871596 B1 2002-08-28 [EP-871596] / 1998-10-21 2002-08-28
申请号/申请日
1996EP-0916095 / 1996-05-17
发明人
VAN PEE KRISTINE LAURA IGNATIU; VAN SPEYBROECK MICHEL M P; VAN POELE JOZEF
申请人
GE POWER AND WATER
主分类号
IPC分类号
A01N-063/00;C02F-001/00;C02F-003/34;C11D-003/386;C11D-007/26;D21H-021/04
摘要
(EP-871596)
The present invention relates to a composition for the prevention and/or removal of biofilm on surfaces comprising at least one mannanase, optionally in combination with at least one enzyme from the group consisting of carbohydrases, proteases, lipases, glycoproteases, and the use of the composition for the prevention and/or the removal of biofilm from surfaces.
机翻摘要
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地址
代理人
代理机构
优先权号
1995EP-0250120 1995-05-19 1996EP-0916095 1996-05-17 1996WO-EP02100 1996-05-17
主权利要求
(EP-871596)

1. Composition for the prevention and/or the removal of biofilm on surfaces, characterized in that it comprises at least one mannanase, wherein the composition does not comprise nigeranase, alpha -mannanase and pullulanase. 
2. Composition according to claim 1, characterized in that it comprises 1,4-beta -D-mannan-mannohydrolase. 
3. Composition according to claims 1 or 2, characterized in that it further comprises at least one enzyme selected from the group consisting of proteases, lipases and glycoproteases 
4. 
Composition according to claim 3, characterized in that it comprises at least one protease. 
5. Composition according to claim 4, characterized in that the protease is an alkaline protease. 
6. Composition according to claims 1 to 5, characterized in that it comprises at least one enzyme stabilizing agent, biodispersant, biocide and/or surfactant. 
7. Composition according to claims 1 to 6, characterized in that it is in liquid form. 
8. Composition according to claims 1 to 6, characterized in that it is in dry form. 
9. Use of the composition according to claims 1 to 8 for the prevention and/or the removal of biofilm on surfaces of water-bearing systems.  
10. Use according to claim 9, characterized in that the water-bearing system is an open or closed industrial process-water system. 
11. Use according to claim 10, characterized in that the industrial process-water system is an open or closed water cycle in a paper factory. 
12. Use according to claim 9, characterized in that the surfaces are ultrafiltration or dialysis membranes. 
13. Use according to claims 9 to 12, characterized in that the composition is added to the water in an amount resulting in a mannanase concentration of 0.1 - 1000 units/l. 
14. Use according to claim 13, characterized in that the composition is added to the water in an amount resulting in a mannanase concentration of 1 - 200 units/l.
法律状态
(EP-871596)
LEGAL DETAILS FOR EP0871596

Actual or expected expiration date=2005-04-11   
Legal state=DEAD   
Status=REVOKED 



Event publication date=1996-05-17 
Event code=EP/APP 
Event indicator=Pos 
Event type=Examination events 
Application details

Application country=EP EP96916095 
Application date=1996-05-17 
Standardized application number=1996EP-0916095 



Event publication date=1998-10-21 
Event code=EP/A1 
Event type=Examination events 
Application published with search report

Publication country=EP 
Publication number=EP0871596 
Publication stage Code=A1 
Publication date=1998-10-21 
Standardized publication number=EP-871596 



Event publication date=1998-10-21 
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Benannte vertragsstaaten
AT BE CH DE DK ES FI FR GB IE IT LI LU NL SE



Event publication date=1998-10-21 
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Request for examination filed
Pruefungsantrag gestellt

Effective date of the event=1997-12-11 



Event publication date=1999-11-24 
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First examination report
Erster pruefungsbescheid

Effective date of the event=1999-10-08 



Event publication date=2002-08-28 
Event code=EP/B1 
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Patent specification

Publication country=EP 
Publication number=EP0871596 
Publication stage Code=B1 
Publication date=2002-08-28 
Standardized publication number=EP-871596 



Event publication date=2002-08-28 
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Benannte vertragsstaaten
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Opponent: NOVOZYMES A/S

Effective date of the event=2003-05-22 



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专利类型码
A1 B1
国别省市代码
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