DE69307846T2 - Mikrobiologisch stabiler Buntmetall-Korrosionsinhibitor - Google Patents

Mikrobiologisch stabiler Buntmetall-Korrosionsinhibitor

Info

Publication number
DE69307846T2
DE69307846T2 DE1993607846 DE69307846T DE69307846T2 DE 69307846 T2 DE69307846 T2 DE 69307846T2 DE 1993607846 DE1993607846 DE 1993607846 DE 69307846 T DE69307846 T DE 69307846T DE 69307846 T2 DE69307846 T2 DE 69307846T2
Authority
DE
Germany
Prior art keywords
corrosion inhibitor
ferrous metal
metal corrosion
stable non
microbiologically stable
Prior art date
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.)
Revoked
Application number
DE1993607846
Other languages
English (en)
Other versions
DE69307846D1 (de
Inventor
Narashima M Rao
Frank Y Lu
Donald A Johnson
Nhuan P Nghiem
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ChampionX LLC
Original Assignee
Nalco Chemical Co
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=25529735&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69307846(T2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Nalco Chemical Co filed Critical Nalco Chemical Co
Application granted granted Critical
Publication of DE69307846D1 publication Critical patent/DE69307846D1/de
Publication of DE69307846T2 publication Critical patent/DE69307846T2/de
Anticipated expiration legal-status Critical
Revoked legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
    • C23F11/00—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent
    • C23F11/08—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids
    • C23F11/10—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids using organic inhibitors
    • C23F11/14—Nitrogen-containing compounds
    • C23F11/149—Heterocyclic compounds containing nitrogen as hetero atom

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Preventing Corrosion Or Incrustation Of Metals (AREA)
DE1993607846 1992-11-30 1993-11-29 Mikrobiologisch stabiler Buntmetall-Korrosionsinhibitor Revoked DE69307846T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US98300392A 1992-11-30 1992-11-30

Publications (2)

Publication Number Publication Date
DE69307846D1 DE69307846D1 (de) 1997-03-13
DE69307846T2 true DE69307846T2 (de) 1997-08-28

Family

ID=25529735

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1993607846 Revoked DE69307846T2 (de) 1992-11-30 1993-11-29 Mikrobiologisch stabiler Buntmetall-Korrosionsinhibitor

Country Status (5)

Country Link
EP (1) EP0600411B1 (de)
JP (1) JPH06212460A (de)
BR (1) BR9304871A (de)
DE (1) DE69307846T2 (de)
ES (1) ES2101201T3 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63180562A (ja) * 1987-01-22 1988-07-25 Aisin Seiki Co Ltd 電動式パワ−ステアリングの誤動作防止装置
GB9417215D0 (en) 1994-08-25 1994-10-12 Amp Great Britain Electrical harness having an ectrical connector with an electrical component therin and a method of making
JP3224704B2 (ja) * 1994-12-05 2001-11-05 三井金属鉱業株式会社 有機防錆処理銅箔
DE69606378T2 (de) * 1995-11-09 2000-07-06 Nalco Chemical Co Überwachung der mikrobiologischen Aktivität in einem Flüssigkeitssystem

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1347008A (en) * 1970-11-13 1974-02-13 Ciba Geigy Uk Ltd Detergent compositions
US3803049A (en) * 1971-06-14 1974-04-09 Sherwin Williams Co Benzotriazole and tolyltriazole mixtures
US4657785A (en) * 1985-12-11 1987-04-14 Nalco Chemical Company Use of benzo and tolyltriazole as copper corrosion inhibitors for boiler condensate systems

Also Published As

Publication number Publication date
BR9304871A (pt) 1994-06-21
EP0600411A1 (de) 1994-06-08
ES2101201T3 (es) 1997-07-01
DE69307846D1 (de) 1997-03-13
EP0600411B1 (de) 1997-01-29
JPH06212460A (ja) 1994-08-02

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Legal Events

Date Code Title Description
8363 Opposition against the patent
8331 Complete revocation