Title:
COOLING AGENT COMPOSITION AND PREPARATIVE METHOD THEREOF
Document Type and Number:
WIPO Patent Application WO/2009/021357
Kind Code:
A1
Abstract:
Cooling agent composition containing N-ethyl menthane carboxamide and preparative
method thereof are provided. The said composition is composed of 30%-80%wt menthol
and 20%-70%wt N-ethyl menthane carboxamide, and its freezing point is lower
than 25?. The preparative method of the said composition comprises the following
steps: 1) adding the menthol and N-ethyl menthane carboxamide into the vessel
in proportion; 2) agitating the mixture in the vessel at the room temperature
until a clarification and clearing mixture is obtained. The cooling agent composition
in the invention is liquid at the common temperature, and can use with other adjuvants
without heating to melt.
Inventors:
LI HUASHAN (CN)
SHI LUQIU (CN)
SHI LUQIU (CN)
Application Number:
PCT/CN2007/002427
Publication Date:
February 19, 2009
Filing Date:
August 13, 2007
Export Citation:
Assignee:
NANJING ZHONGSHI CHEMICAL CO L (CN)
LI HUASHAN (CN)
SHI LUQIU (CN)
LI HUASHAN (CN)
SHI LUQIU (CN)
International Classes:
A61K8/34; A23G4/06; A23L2/56; A24B15/28; A61K8/04; A61K8/42; A61K9/10; A61K31/045; A61K31/16
Domestic Patent References:
| WO2006071749A1 | 2006-07-06 |
Foreign References:
| CN1275887A | 2000-12-06 |
Attorney, Agent or Firm:
NAN JING LAW OFFICE OF INTELLECTUAL PROPERTIES (Nanjing, Jiangsu 4, CN)
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