Preparation exhibiting enzymatic activity, a method of producing

Details Preparation exhibiting enzymatic activity, a method of producing Preparation exhibiting enzymatic activity, a method of producing

1995-05-30

1997-10-14

Lankford, Blaine

Chemistry: molecular biology and microbiology

Enzyme , proenzyme; compositions thereof; process for...

Hydrolase

4352524, 435278, C12N 924, C12N 926

Patent

active

056771614

ABSTRACT:
The invention relates to a preparation exhibiting enzymatic activity, which preparation has the capability of delignifying wood pulp at a temperature of at least 65.degree. C. and a pH of at least 9. Further, the invention relates to a method of producing said preparation by aerobically fermentating a selected Bacillus stearothermophilus strain. Furthermore, the invention relates to two isolated Bacillus stearothermophilus strains and mutants and variants thereof. The invention also relates to applications of the preparation of the invention, namely to a process comprising treatment of wood pulp with a preparation according to the invention, and a wood pulp and a fluff pulp treated with a preparation according to the invention, and also a paper, a board and a fluff made from a wood pulp treated with a preparation according to the invention.

REFERENCES:
patent: 5434071 (1995-07-01), Rosenberg et al.

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