DE2409250A1 - - Google Patents

Info

Publication number
DE2409250A1
DE2409250A1 DE19742409250 DE2409250A DE2409250A1 DE 2409250 A1 DE2409250 A1 DE 2409250A1 DE 19742409250 DE19742409250 DE 19742409250 DE 2409250 A DE2409250 A DE 2409250A DE 2409250 A1 DE2409250 A1 DE 2409250A1
Authority
DE
Germany
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
DE19742409250
Other languages
German (de)
Other versions
DE2409250B1 (de
DE2409250C2 (de
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to DE19742409250 priority Critical patent/DE2409250C2/de
Priority claimed from DE19742409250 external-priority patent/DE2409250C2/de
Publication of DE2409250A1 publication Critical patent/DE2409250A1/de
Publication of DE2409250B1 publication Critical patent/DE2409250B1/de
Application granted granted Critical
Publication of DE2409250C2 publication Critical patent/DE2409250C2/de
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B24/00—Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers
    • C04B24/24—Macromolecular compounds
    • C04B24/36—Bituminous materials, e.g. tar, pitch
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K8/00—Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
    • C09K8/02—Well-drilling compositions
    • C09K8/03—Specific additives for general use in well-drilling compositions
    • C09K8/035—Organic additives

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Earth Drilling (AREA)
DE19742409250 1974-02-22 Zusatz für Zementschlämme und Spülschlämme für Tiefbohrungen Expired DE2409250C2 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19742409250 DE2409250C2 (de) 1974-02-22 Zusatz für Zementschlämme und Spülschlämme für Tiefbohrungen

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19742409250 DE2409250C2 (de) 1974-02-22 Zusatz für Zementschlämme und Spülschlämme für Tiefbohrungen

Publications (3)

Publication Number Publication Date
DE2409250A1 true DE2409250A1 (enExample) 1975-07-10
DE2409250B1 DE2409250B1 (de) 1975-07-10
DE2409250C2 DE2409250C2 (de) 1976-03-04

Family

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Also Published As

Publication number Publication date
DE2409250B1 (de) 1975-07-10

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Legal Events

Date Code Title Description
E77 Valid patent as to the heymanns-index 1977
8339 Ceased/non-payment of the annual fee