Fungi for pitch reduction and their preparation

Details Fungi for pitch reduction and their preparation Fungi for pitch reduction and their preparation

1995-06-06

1997-03-11

Chin, Peter

Paper making and fiber liberation

Processes of chemical liberation, recovery or purification...

Treatment with particular chemical

162 1, 162DIG4, 162DIG12, D21C 100

Patent

active

056097247

ABSTRACT:
Ascospores of wood-penetrating, pitch-grading fungi of the class of Ascomycotina and Deuteromycotina, eg. Ophiostromas, may be screened to provide fungi combining the properties of good growth on non-sterile wood substrates and minimized or even enhanced brightness effects for use in pitch reduction of wood substrates, eg. logs and wood chips. A new and improved method of isolating such ascospores involving effective suspension in an oil consumable by the fungus, eg. a vegetable oil, and then treatment of the oil with a dispersing agent is also disclosed.

REFERENCES:
patent: 3486969 (1969-12-01), Nilsson et al.
patent: 5176796 (1993-01-01), Irie et al.

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