Light-sensitive vesicular recording materials
UST977001I4 · kind I4 · defensive publication
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16Claims
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Key dates
| Filing date | Oct 17, 1977 |
| Grant date | Dec 5, 1978 |
| Priority date | — |
| Expiry date | Oct 17, 1997 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.