首页
产品
黄页
商标
征信
会员服务
注册
登录
全部
|
企业名
|
法人/股东/高管
|
品牌/产品
|
地址
|
经营范围
发明名称
METHYLENELACTONE SYNTHESIS IN SUPERCRITICAL FLUIDS
摘要
Alpha-methylenelactones are produced from butyrolactone and valerolactone by the addition of formaldehyde in a supercritical fluid in the presence of a catalyst and a phase transfer agent.
申请公布号
WO03057683(A1)
申请公布日期
2003.07.17
申请号
WO2003US00329
申请日期
2003.01.07
申请人
E.I. DU PONT DE NEMOURS AND COMPANY
发明人
HUTCHENSON, KEITH, W.;MANZER, LEO, E.
分类号
C07B61/00;C07D305/12;C07D307/58
主分类号
C07B61/00
代理机构
代理人
主权项
地址
您可能感兴趣的专利
A PHOTO-MASK FOR USE IN MANUFACTURING AN OPTICAL MEMORY DISC, A METHOD FOR MAKING THE PHOTO-MASK AND A METHOD FOR MANUFACTURING THE OPTICAL MEMORY DISC
EXTRUSION DIE
DETERGENT COMPOSITIONS
EASILY OPENABLE SEALED CONTAINER
Regeneration process for a Fischer-Tropsch catalyst
A BEARING HOUSING ASSEMBLY
TELAIO DI SOPPORTO, IN PARTICOLAREPER TUBO TRACHEALE SU UN PAZIENTE.
GIUNTO DI COLLEGAMENTO A PENETRAZIONE SCOLLEGABILE
ANALIZZATORE DELLA FORZA DI TRAZIONE DI FILATI TESSILI
COMPOSIZIONI FARMACEUTICHE A BASEDI SALI DI CALCIO
PROCEDIMENTO PER FABBRICARE UN CONCENTRATO AVENTE UNA DURATA DI CONSERVAZIONE A MAGAZZINO ILLIMITATA, ADATTO DA MESCOLARE CON PEROSSIDO DI IDROGENO PER FORMARE UN DISINFETTANTE
ROOF TILES
PHASING ADDER CIRCUIT
MANUFACTURE OF SEMICONDUCTOR DEVICE
ULTRASONIC MOTOR
FUEL CELL
PRODUCTION OF PIEZOELECTRIC CERAMICS
HYBRID MOTOR USING A PLURALITY OF PIEZOELECTRIC EFFECTS
SILICON NITRIDE CALCINED COMPACT
OXIDE-BASED HIGH-TEMPERATURE SUPERCONDUCTING CERAMICS