Avoiding pitch troubles using acylgerol lipase
US5176796A · kind A · utility
16Cited by
5References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 15, 1991 |
| Grant date | Jan 5, 1993 |
| Priority date | — |
| Expiry date | Apr 15, 2011 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S435/921
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
The method for avoiding pitch troubles includes the treatment with an acylglycerol lipase. The method of the present invention overcomes the pitch troubles in a process for the production of mechanical pulp and/or mechanical pulp-containing paper.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.