Organophilic clay complexes, their preparation and compositions comprising said complexes
US4412018A · kind A · utility
92Cited by
23References
24Claims
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Key dates
| Filing date | Nov 17, 1980 |
| Grant date | Oct 25, 1983 |
| Priority date | — |
| Expiry date | Nov 17, 2000 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10M2223/065
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
An organophilic clay gellant and methods of using and making the same which comprises the reaction product of an organic cation, an organic anion and a smectite-type clay having a cation exchange capacity of at least 75 milliequivalents per 100 grams of said clay such that an organic cation-organic anion complex is intercalated with the smectite-type clay and the cation exchange sites of the smectite-type clay are substituted with the organic cation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.