| PATENT ASSIGNEE'S COUNTRY | Germany |
| UPDATE | 10.99 |
| PATENT ASSIGNEE | Witco Surfactants GmbH |
| PATENT CLAIMS |
Process for prepg highly concd. free-flowing & pumpable aq soln of betaine comprising > 45% of water, comprising - Quaternizing a compd which contains tert. amine N with w-halo carboxylic acid in an aq medium - Adding 0.5-5% of visc.-redn compd to the reaction mixt before or during the quaternization reaction |
| PATENT PHOTOCOPY | Available on request |
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