Process for preparing solutions with additives and surfactants
US6919381B2 · kind B2 · utility
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12Claims
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Key dates
| Filing date | Jun 3, 2002 |
| Grant date | Jul 19, 2005 |
| Priority date | — |
| Expiry date | Jun 3, 2022 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S516/924
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A process for preparing a solution of a liquid additive in a liquid base wherein the liquid additive tends to gel when mixed with the liquid base at temperatures less than a gelling temperature TG includes the steps of providing a stream of the liquid base at a temperature TC which is greater than ambient temperature and less than the gelling temperature TG; feeding the stream to a mixer having a mixer inlet so as to impart energy to the stream; and adding the liquid additive to the stream downstream of the inlet, whereby the liquid additive mixes with the liquid base and the energy inhibits gelling of the liquid additive.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.