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
IMPROVED MULTIFUNCTIONAL VISCOSITY INDEX IMPROVER
摘要
申请公布号
EP0369674(B1)
申请公布日期
1992.07.15
申请号
EP19890311572
申请日期
1989.11.08
申请人
EXXON CHEMICAL PATENTS INC.
发明人
CHEN, FRANK JOUNG-YEI;CHUNG, DAVID YEN-LUNG
分类号
C10M159/12;C08F255/00;C08L51/08;C09K3/00;C10L1/234;C10L10/14;C10M143/02;C10M145/10;C10M149/06;C10N20/04;C10N30/02;C10N70/00
主分类号
C10M159/12
代理机构
代理人
主权项
地址
您可能感兴趣的专利
TRANSMISSION TYPE DISPLAY DEVICE, DISPLAY METHOD AND DISPLAY PROGRAM
VEHICLE INTERIOR LIGHTING DEVICE
OPTICAL SEMICONDUCTOR DEVICE
NON-SEQUENCE COMPLEMENTARY ANTIVIRAL OLIGONUCLEOTIDE
HIGH-SPEED CHARGING SYSTEM
HOLLOW TIDE EMBANKMENT TYPE REFUGE FACILITY
VERTICAL INDEXABLE CUTTING INSERT AND CORNER-CUT MILLING CUTTER
PIERCING NUT
HAND WASHING STATION
ABDOMINAL EXERCISE DEVICE
WIRING TOOL AND WIRE HARNESS
REFRIGERATOR
HEATER DRIVE CIRCUIT
POWER-ASSISTED BICYCLE
VEHICLE SETTING SHARING SYSTEM
TORSIONAL VIBRATION DAMPING DEVICE
PHARMACEUTICAL COMPOSITION HAVING IMPROVED DISSOLUTION PROFILE FOR POORLY SOLUBLE DRUG
PULLEY TYPE CONTINUOUSLY VARIABLE TRANSMISSION
REINFORCEMENT STRUCTURE OF UNIT BUILDING
SHOCK ABSORBER MOUNTING STRUCTURE