Chemistry: molecular biology and microbiology – Process of utilizing an enzyme or micro-organism to destroy... – Treating animal or plant material or micro-organism
Patent
1994-04-15
1994-12-20
Wityshyn, Michael G.
Chemistry: molecular biology and microbiology
Process of utilizing an enzyme or micro-organism to destroy...
Treating animal or plant material or micro-organism
435277, 81161, 162 72, D21C 100, D21C 300, D21C 320, D06M 1100
Patent
active
053745558
ABSTRACT:
A method for the delignification of wood pulps by use of protease enzymes. Useful proteases include bromelain, pepsin and papain. The proteases are used to delignify the wood by degrading the wood protein, extensin.
REFERENCES:
patent: 4649113 (1987-03-01), Brimfield
patent: 4690895 (1987-09-01), Farrell
patent: 4773966 (1988-09-01), Huynh
patent: 4830708 (1989-05-01), Paice et al.
patent: 4869783 (1989-09-01), Prusas et al.
Imai, T. "Plant Refining Method," Translation of Japanese Patent Document 03220389A2, (Sep. 27, 1991) pp. 1-10.
Morrison, I. "Influence of Chemical and Biological Pretreatments on the Degradation of Lignocellulosic Material by Biological Systems," J. Sci. Food Agric., vol. 42 (1988), pp. 295-304.
Hoebler et al. "Study of Enzymatic Preparation of Cell Wall Residue," Sciences Des Ailments, vol. 10, (1990), pp. 255-263.
Database WPI, Section Ch, Week 9145, Derwent Publications, London Class D16, AN 91-329357 & JP-A-3 220 389, 27 Sep. 1991, Abstract.
Database WPI, Section Ch, Week 9208, Derwent Publications, London Class D16, AN 92-059463 & JP-A-4 002 895, Jan. 7, 1992, Abstract.
Dosoretz et al., "Effect of Environmental Conditions on Extra-cellular Protease Activity in Lignolytic Cultures of Phanerochaete Chrysosporium.", Feb. 1990, pp. 395-400. Applied and Environmental Microbiology.
CA108(21): 185366p Morrison, T. 1988.
CA116(2)8120y Imai, Y. 1991.
CA113(19)170595s Hoebler, et al 1990.
Bumpus et al "Oxidation of Persistent Environmental Pollutants by a White Rot Fungus" Science vol. 228 pp. 1434-1436 1985.
Johnson Mark A.
Pokora Alexander R.
Reardon Timothy J.
The Mead Corporation
Wityshyn Michael G.
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