Dental cement compositions
US4647600A · kind A · utility
Assignees
Inventors
Key dates
| Filing date | Feb 12, 1986 |
| Grant date | Mar 3, 1987 |
| Priority date | — |
| Expiry date | Feb 12, 2006 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K6/891
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A dental cement composition consisting of a composition A and a composition B, PA0 said composition A comprising at least two powders, (a) 100 parts by weight of a powder containing more than 20% by weight to 70% by weight of calcium oxide and 30% by weight to less than 80% by weight of aluminium oxide and treated on the surface with 0.01 to 5% by weight of at least one selected from the group consisting organic acids and/or inorganic acids, and (b) 2 to 70 parts by weight of a calcium hydroxide powder, and PA0 said composition B comprising of an aqueous solution containing 0.01 to 70% by weight of a water-soluble high-molecular substance.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.