Invention Grant
- Patent Title: Process for producing croconic acid or salt thereof
- Patent Title (中): 生产克酸或其盐的方法
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Application No.: US11394109Application Date: 2006-03-31
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Publication No.: US07655814B2Publication Date: 2010-02-02
- Inventor: Keizou Kimura , Katsuyoshi Yamakawa
- Applicant: Keizou Kimura , Katsuyoshi Yamakawa
- Applicant Address: JP Tokyo
- Assignee: Fujifilm Corporation
- Current Assignee: Fujifilm Corporation
- Current Assignee Address: JP Tokyo
- Agency: Birch, Stewart, Kolasch & Birch, LLP
- Priority: JP2005-101914 20050331
- Main IPC: C07C253/00
- IPC: C07C253/00
Abstract:
Croconic acid or a salt thereof is easily produced at low cost by a reaction of a hydrocarbon compound consisting of a five-membered ring or a hydrocarbon compound consisting of a five-membered ring having an oxo group and/or a monovalent group linked via an oxygen atom with a halogenating agent.
Public/Granted literature
- US20060224022A1 Process for producing croconic acid or salt thereof Public/Granted day:2006-10-05
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