Pyrodictium xylanase amylase and pullulanase

U.S. Patent Number: 5688668

Abstract: The present invention relates to a xylanase from the family Desulfurococcaceae, specifically to a xylanase from the genus Pyrodictium and more specifically to a xylanase from Pyrodictium abyssi and in particular to a xylanase from Pyrodictium abyssi, DSM 6158, which has (a) activity optimum in the pH range 5.5-6.5 at 100.degree. C. with xylan as a substrate and (b) activity optimum at the temperature range 105.degree.-115.degree. C., determined at pH 5.5 with xylan as a substrate. The present invention also relates to a process of bleaching lignocellulosic pulp with said xylanase.

Inventors: Sj.o slashed.holm; Carsten (Aller.o slashed.d, DK), Antranikian; Garabed (Seevetal, DE)

Assignee: Novo Nordisk A/S (Bagsvaerd, DK)

Application Number: 08/737,559

Issued: 1997-11-18

Expired: 2005-11-18

Classes: 435/74 ; 435/200; 435/209

Field of search: 435/74,200,209

Click the image above to view patent images at uspto.gov within a frame.

Click here for the fulltext page on uspto.gov within a frame.