Polyurethane foam stabilized against scorch with a mixture of hydroquinone and a phosphite containing secondary antioxidant
UST968002I4 · kind I4 · defensive publication
2Cited by
0References
6Claims
0Family size
Inventors
Key dates
| Filing date | Feb 24, 1977 |
| Grant date | Mar 7, 1978 |
| Priority date | — |
| Expiry date | Feb 24, 1997 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.