发明授权
- 专利标题： Protease product of reduced allergenicity
- 专利标题（中）： 具有降低过敏原性的蛋白酶产物
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申请号： US54555申请日： 1979-07-03
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公开(公告)号： US4266031A公开(公告)日： 1981-05-05
- 发明人: Peter Tang , Grethe C. Nielsen , Keith Gibson , Knud Aunstrup , Hans Schiff
- 申请人： Peter Tang , Grethe C. Nielsen , Keith Gibson , Knud Aunstrup , Hans Schiff
- 申请人地址： DKX
- 专利权人： Novo Industri A/S
- 当前专利权人： Novo Industri A/S
- 当前专利权人地址： DKX
- 优先权： GBX28773/78 19780704
- 主分类号： C11D3/386
- IPC分类号： C11D3/386 ; C12N9/56 ; C12N9/96
摘要：
A novel protease product suitable for admixture to washing compositions and exhibiting substantially attenuated allergenic properties is prepared by cultivating strains of Bacillus licheniformis which have been mutated to block their synthesis of protease other than Subtilopeptidase A (subtilisin). The commercial Bacillus licheniformis derived protease products are mixtures of subtilisin and a non-serine protease of lower stability and greater allergenicity than subtilisin.
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