Organic compounds -- part of the class 532-570 series – Organic compounds – Carboxylic acids and salts thereof
Reexamination Certificate
2006-03-24
2009-12-08
Puttlitz, Karl J (Department: 1621)
Organic compounds -- part of the class 532-570 series
Organic compounds
Carboxylic acids and salts thereof
Reexamination Certificate
active
07629490
ABSTRACT:
The present invention relates to an improved process for preparing cyclopropanecarboxylic acid and alcohols.
REFERENCES:
patent: 5371270 (1994-12-01), Kaufhold et al.
patent: 6166247 (2000-12-01), Kaufhold
patent: 6462231 (2002-10-01), Yanagawa et al.
Joseph B. Lambert, James J. Napoli, Katharine Kappauf Johnson, Kalulu N. Taba, and Beverly Sue Packard J. Org. Chem. 1985, 50, 1291-1295.
Bruce, Stanley; Kent, Ronald;Organic Preparations and Procedures International, “Improved Two-Step Synthesis of Ethyl Cyclopropanecarboxylate and Cyclopropanecarboxylic Acid”, 1974, 6(4), pp. 193-196.
Lambert, Joseph B.; Napoli, James J.; Kappauf Johnson, Katharine; Taba, Kalulu N.; Packard, Beverly Sue;Journal of Organic Chemistry, “Scope, Limitations, and Mechanism of the Homoconjugate Electrophilic Addition of Hydrogen Halides,” 1985, 50(8), pp. 1291-1295.
Friedhelm Korte: “Methodicum Chimicum,” Methodicum Chimicum, 1975, XP002075408, pp. 563-564.
Emde Herbert
Langer Reinhard
Wagner Paul
LANXESS Deutschland GmbH
Miller Michael A.
Puttlitz Karl J
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