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
Optically active aromatic compounds, preparation process therefor, liquid crystal materials and a light switching element.
摘要
申请公布号
EP0357435(B1)
申请公布日期
1993.12.08
申请号
EP19890308847
申请日期
1989.08.31
申请人
SUMITOMO CHEMICAL COMPANY, LIMITED
发明人
HIGASHII, TAKAYUKI;KURIMOTO, ISAO;TODA, SHOJI;MINAI, MASAYOSHI;CHIKA, SHIGEAKI;FUJISAWA, KOICHI;IMAMURA, KIYOSHI
分类号
G02F1/13;C07C67/08;C07C67/14;C07C69/76;C07C69/773;C07C69/82;C07C69/90;C07C69/92;C07C69/94;C09K19/20;C09K19/54;(IPC1-7):C07C69/76
主分类号
G02F1/13
代理机构
代理人
主权项
地址
您可能感兴趣的专利
Truck cargo bed liner
Expansible support and method of use
Damper blade
Counter-rotating folding wings
Bellows-type container for liquids
Tamper evidencing container caps
Bakeware organizer
Oil pan drain receptacle
Device for horizontal continuous casting of metals and alloys
Focus detecting device
Photographing apparatus
Bag clamping arrangement
Bowling ball
Valve assembly
Apparatus for dispensing fasteners
Surgical stapler
Low pressure pool cleaner system
Anchor
Anchoring of freely oscillating tension elements of steel of a dynamically stressed structural component
Rodent trap with guard means