发明授权
US5124054A Method of improving the thermal stability of quaternary ammonium
hydroxides (PNE-539)
失效
提高季铵氢氧化物的热稳定性的方法(PNE-539)
- 专利标题: Method of improving the thermal stability of quaternary ammonium hydroxides (PNE-539)
- 专利标题(中): 提高季铵氢氧化物的热稳定性的方法(PNE-539)
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申请号: US290346申请日: 1988-12-29
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公开(公告)号: US5124054A公开(公告)日: 1992-06-23
- 发明人: Jacob J. Habeeb , Kenneth D. Rose
- 申请人: Jacob J. Habeeb , Kenneth D. Rose
- 申请人地址: NJ Florham Park
- 专利权人: Exxon Research and Engineering Company
- 当前专利权人: Exxon Research and Engineering Company
- 当前专利权人地址: NJ Florham Park
- 主分类号: C10L1/14
- IPC分类号: C10L1/14 ; C10L1/18 ; C10L1/22 ; C10L1/24 ; C10L1/26 ; C10M133/00 ; C10M141/08 ; C10M141/10 ; C10M163/00
摘要:
The presence of a minor amount of an anti-oxidant, a metal detergent, a dispersant or mixtures thereof in a hydrocarbon liquid containing certain quaternary ammonium hydroxides has been found to be effective in improving the thermal stability of the hydroxides.
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