PATENT ASSIGNEE'S COUNTRY | USA |
UPDATE | 07.99 |
PATENT ASSIGNEE | This data is not available for free |
PATENT CLAIMS |
- Immersing soil sample in water-miscible solvent (I) to extract hydrocarbons from soil into (I) - Mixing (I) with aq. developer to produce test mixt. - Observing turbidity of mixt |
PATENT PHOTOCOPY | Available on request |
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