Use of carboxymethylsulfoethyl cellulose in drilling fluids
Cellulosederivate, die gleichzeitig mit Carboxyalkyl- und Sulfoalkylgruppen in definierter Weise substituiert sind, eignen sich für Bohrspülungen. Cellulose derivatives which are substituted in a specified manner by both carboxyalkyl groups and sulphoalkyl groups which are suitable in drilling fluid...
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| creator | SCHRIEWER, BERND HERZOG, DIETER |
| description | Cellulosederivate, die gleichzeitig mit Carboxyalkyl- und Sulfoalkylgruppen in definierter Weise substituiert sind, eignen sich für Bohrspülungen.
Cellulose derivatives which are substituted in a specified manner by both carboxyalkyl groups and sulphoalkyl groups which are suitable in drilling fluids. |
| format | Patent |
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Cellulose derivatives which are substituted in a specified manner by both carboxyalkyl groups and sulphoalkyl groups which are suitable in drilling fluids.</description><subject>ADHESIVES</subject><subject>CHEMISTRY</subject><subject>DYES</subject><subject>MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE</subject><subject>METALLURGY</subject><subject>MISCELLANEOUS APPLICATIONS OF MATERIALS</subject><subject>MISCELLANEOUS COMPOSITIONS</subject><subject>NATURAL RESINS</subject><subject>PAINTS</subject><subject>POLISHES</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1989</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZLAOLU5VyE9TSE4sSsqvqMxNLcmozCkuzUnLB7MUklNzckpz8oGKMvMUUooyc3Iy89IV0nJKM1OKeRhY0xJzilN5oTQ3g4Kba4izh25qQX58anFBYnJqXmpJvGuAgbGhpYWZhaORMRFKALP8L-k</recordid><startdate>19890614</startdate><enddate>19890614</enddate><creator>SCHRIEWER, BERND</creator><creator>HERZOG, DIETER</creator><scope>EVB</scope></search><sort><creationdate>19890614</creationdate><title>Use of carboxymethylsulfoethyl cellulose in drilling fluids</title><author>SCHRIEWER, BERND ; HERZOG, DIETER</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_EP0319868A23</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; fre ; ger</language><creationdate>1989</creationdate><topic>ADHESIVES</topic><topic>CHEMISTRY</topic><topic>DYES</topic><topic>MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE</topic><topic>METALLURGY</topic><topic>MISCELLANEOUS APPLICATIONS OF MATERIALS</topic><topic>MISCELLANEOUS COMPOSITIONS</topic><topic>NATURAL RESINS</topic><topic>PAINTS</topic><topic>POLISHES</topic><toplevel>online_resources</toplevel><creatorcontrib>SCHRIEWER, BERND</creatorcontrib><creatorcontrib>HERZOG, DIETER</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>SCHRIEWER, BERND</au><au>HERZOG, DIETER</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Use of carboxymethylsulfoethyl cellulose in drilling fluids</title><date>1989-06-14</date><risdate>1989</risdate><abstract>Cellulosederivate, die gleichzeitig mit Carboxyalkyl- und Sulfoalkylgruppen in definierter Weise substituiert sind, eignen sich für Bohrspülungen.
Cellulose derivatives which are substituted in a specified manner by both carboxyalkyl groups and sulphoalkyl groups which are suitable in drilling fluids.</abstract><oa>free_for_read</oa></addata></record> |
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| language | eng ; fre ; ger |
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| subjects | ADHESIVES CHEMISTRY DYES MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS PAINTS POLISHES |
| title | Use of carboxymethylsulfoethyl cellulose in drilling fluids |
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