Dyestuff waste water purification
UST965001I4 · kind I4 · defensive publication
3Cited by
0References
7Claims
0Family size
Inventors
Key dates
| Filing date | Feb 15, 1977 |
| Grant date | Dec 6, 1977 |
| Priority date | — |
| Expiry date | Feb 15, 1997 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.