Patent · US Expired

Process for the microbiological modification of hardwood by the action of microorganisms

US4346175A · kind A · utility

4Cited by
5References
14Claims
0Family size

Assignees

Inventors

Key dates

Filing dateOct 3, 1978
Grant dateAug 24, 1982
Priority date
Expiry dateOct 3, 1998

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S435/911
  • WIPO fieldMachine tools
  • WIPO sectorMechanical engineering

Abstract

The disclosure relates to a process for the microbiological modification of hardwood in that a microorganism, or an enzymatically active preparation thereof, specially selected for the hardwood in question, is supplied to the surface of the wood for attack thereof under carefully regulated conditions as regards temperature, relative moisture content, O.sub.2 content and CO.sub.2 content. Thereafter, the process is discontinued in a suitable manner, for example by treatment with steam or hot water, followed by drying; or by drying only.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.