Process for producing ammonium aromatic sulfonate
US4029640A · kind A · utility
5Cited by
2References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 27, 1975 |
| Grant date | Jun 14, 1977 |
| Priority date | — |
| Expiry date | May 27, 1995 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08F8/44
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A process for producing an ammonium p-styrenesulfonate or polymer thereof which comprises PA1 Reacting an alkali metal p-styrenesulfonate or a polymer thereof with an inorganic ammonium salt in a medium of a hydrophilic alcohol, or a mixture of a hydrophilic organic solvent and water.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.