Titanium-glycol useful, as crosslinking agents, for polygalactomannans
US4605736A · kind A · utility
6Cited by
7References
13Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 11, 1985 |
| Grant date | Aug 12, 1986 |
| Priority date | — |
| Expiry date | Jun 11, 2005 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K8/685
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Aqueous solutions of polygalactomannans are crosslinked with the reaction product of titanium tetrachloride and a water-soluble alcohol or diol. Such crosslinked products are useful in fracturing solutions for secondary oil recovery or in gel explosives.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.