Anvendelse af esterolier i borefluida,申请号DK19910001176-传众专利搜索

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发明名称	Anvendelse af esterolier i borefluida
摘要
申请公布号	DK170979(B2)	申请公布日期	2005.03.29
申请号	DK19910001176	申请日期	1991.06.18
申请人	COGNIS DEUTSCHLAND GMBH & CO. KG,;BAROID DRILLING FLUIDS, INC.	发明人	BRAUN, JEAN-MARC;MUELLER, HEINZ;HEROLD, CLAUS-PETER;TAPAVICZA, STEPHAN VON;GRIMES, JOHN DOUGLAS;SMITH, STUART P.T.
分类号	C09K8/34;E21B21/00;(IPC1-7):C09K7/06	主分类号	C09K8/34
代理机构		代理人
主权项
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