发明授权
- 专利标题: Separation of ammonium chloride from the gas phase of an isocyanate production process
- 专利标题(中): 从异氰酸酯生产过程的气相中分离氯化铵
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申请号: US12471528申请日: 2009-05-26
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公开(公告)号: US09029594B2公开(公告)日: 2015-05-12
- 发明人: Sven Michael Hansen , Ralf Schneider , Bernd Schwethelm , Rolf Schiefer , Jürgen Dreher
- 申请人: Sven Michael Hansen , Ralf Schneider , Bernd Schwethelm , Rolf Schiefer , Jürgen Dreher
- 申请人地址: DE Leverkusen
- 专利权人: Bayer MaterialScience AG
- 当前专利权人: Bayer MaterialScience AG
- 当前专利权人地址: DE Leverkusen
- 代理商 Donald R. Palladino; Lyndanne M. Whalen
- 优先权: EP08009992 20080531
- 主分类号: C07C263/00
- IPC分类号: C07C263/00 ; C07C263/10 ; C07C263/20
摘要:
Isocyanates are produced in the gas phase and by-products such as ammonium halides are selectively separated from the gas phase by desublimation.
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