Fumigating method and apparatus
US4163038A · kind A · utility
44Cited by
15References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 2, 1978 |
| Grant date | Jul 31, 1979 |
| Priority date | — |
| Expiry date | Mar 2, 1998 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA01M2200/011
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A mixture of an active ingredient and a blowing agent is heated indirectly with a heating element to thermally decompose the blowing agent and to volatilize the active ingredient. The mixture and the heating element are separated from each other by a partition which provides a heat transfer surface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.