Polyaspartic acid as a calcium sulfate and a barium sulfate inhibitor
US5116513A · kind A · utility
45Cited by
6References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 19, 1991 |
| Grant date | May 26, 1992 |
| Priority date | — |
| Expiry date | Mar 19, 2011 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G73/1092
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Polyaspartic acid as a calcium sulfate and barium sulfate inhibitor. Generally all forms of polyaspartic acid can be used. .beta.-polyaspartic acids are preferred.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.