Boehmite
US4716029A · kind A · utility
15Cited by
2References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 16, 1985 |
| Grant date | Dec 29, 1987 |
| Priority date | — |
| Expiry date | Dec 16, 2005 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC01P2004/62
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A boehmite having an orthorhombic crystal form in which the ratio of the maximum length in the direction of the a-axis of the crystal to the distance between the opposing crystal faces perpendicular to the c-axis of said crystal is at least 10, said maximum length in the direction of the a-axis of the crystal is at least 2500 .ANG. and said distance between the opposing faces perpendicular to the c-axis of said crystal is 250-900 .ANG..
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.