Methods of discriminating between contaminated and uncontaminated containers
US4830192A · kind A · utility
34Cited by
10References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 23, 1987 |
| Grant date | May 16, 1989 |
| Priority date | — |
| Expiry date | Jul 23, 2007 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N33/0081
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Methods of discriminating between contaminated and uncontaminated containers prior to washing is disclosed characterized by the testing of the residue of the container to determine if the residue is residue of the original product packed in the container. If the residue is not sufficiently similar to the original product, the container is rejected as contaminated.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.