BR8403976A - Hidrazida,composicao quelatante,aperfeicoamento em processo de sequestro de um cation polivalente,processo para dissolver crosta de sulfato de calcio de um artigo,processo para sequestrar seletivamente niquel de uma mistura com ferro,processo para produzir uma hidrazida e processo para obtencao de uma composicao quelatante - Google Patents

Hidrazida,composicao quelatante,aperfeicoamento em processo de sequestro de um cation polivalente,processo para dissolver crosta de sulfato de calcio de um artigo,processo para sequestrar seletivamente niquel de uma mistura com ferro,processo para produzir uma hidrazida e processo para obtencao de uma composicao quelatante

Info

Publication number
BR8403976A
BR8403976A BR8403976A BR8403976A BR8403976A BR 8403976 A BR8403976 A BR 8403976A BR 8403976 A BR8403976 A BR 8403976A BR 8403976 A BR8403976 A BR 8403976A BR 8403976 A BR8403976 A BR 8403976A
Authority
BR
Brazil
Prior art keywords
sequely
sequesting
chelator
hydrazide
nickel
Prior art date
Application number
BR8403976A
Other languages
English (en)
Inventor
Thomas F D Muhala
Robert C Ward
Original Assignee
Nuclear Technology Corp
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 by Nuclear Technology Corp filed Critical Nuclear Technology Corp
Publication of BR8403976A publication Critical patent/BR8403976A/pt

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C243/00—Compounds containing chains of nitrogen atoms singly-bound to each other, e.g. hydrazines, triazanes
    • C07C243/24—Hydrazines having nitrogen atoms of hydrazine groups acylated by carboxylic acids
    • C07C243/26—Hydrazines having nitrogen atoms of hydrazine groups acylated by carboxylic acids with acylating carboxyl groups bound to hydrogen atoms or to acyclic carbon atoms
    • C07C243/34—Hydrazines having nitrogen atoms of hydrazine groups acylated by carboxylic acids with acylating carboxyl groups bound to hydrogen atoms or to acyclic carbon atoms to carbon atoms of a carbon skeleton further substituted by nitrogen atoms
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F5/00—Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
    • C02F5/08—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents
    • C02F5/10—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances
    • C02F5/12—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances containing nitrogen

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Detergent Compositions (AREA)
  • Paints Or Removers (AREA)
BR8403976A 1983-08-10 1984-08-09 Hidrazida,composicao quelatante,aperfeicoamento em processo de sequestro de um cation polivalente,processo para dissolver crosta de sulfato de calcio de um artigo,processo para sequestrar seletivamente niquel de uma mistura com ferro,processo para produzir uma hidrazida e processo para obtencao de uma composicao quelatante BR8403976A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/522,068 US4609757A (en) 1983-08-10 1983-08-10 Hydrazides of amino-polyacetic acids as chelants

Publications (1)

Publication Number Publication Date
BR8403976A true BR8403976A (pt) 1985-07-09

Family

ID=24079332

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8403976A BR8403976A (pt) 1983-08-10 1984-08-09 Hidrazida,composicao quelatante,aperfeicoamento em processo de sequestro de um cation polivalente,processo para dissolver crosta de sulfato de calcio de um artigo,processo para sequestrar seletivamente niquel de uma mistura com ferro,processo para produzir uma hidrazida e processo para obtencao de uma composicao quelatante

Country Status (9)

Country Link
US (1) US4609757A (pt)
JP (2) JPH0710973B2 (pt)
AU (1) AU561791B2 (pt)
BR (1) BR8403976A (pt)
CA (1) CA1253168A (pt)
DE (1) DE3429148A1 (pt)
FR (1) FR2550529B1 (pt)
GB (1) GB2144742B (pt)
IN (1) IN162691B (pt)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4708805A (en) * 1986-11-24 1987-11-24 Muhala Thomas F D Barium sulfate removal and anti-deposition compositions and process of use therefor
US5384108A (en) * 1989-04-24 1995-01-24 Mallinckrodt Medical, Inc. Magnetic resonance imaging agents
GB9115375D0 (en) * 1991-07-17 1991-09-04 Salutar Inc Compounds
US5489735A (en) * 1994-01-24 1996-02-06 D'muhala; Thomas F. Decontamination composition for removing norms and method utilizing the same
US5634982A (en) * 1996-02-16 1997-06-03 Corpex Technologies, Inc. Process for decontaminating surfaces of nuclear and fissile materials
US5814204A (en) * 1996-10-11 1998-09-29 Corpex Technologies, Inc. Electrolytic decontamination processes
JP4673568B2 (ja) * 2003-10-16 2011-04-20 Ｊｘ日鉱日石エネルギー株式会社 油溶性金属錯体、潤滑油添加剤及び潤滑油組成物
JP4864462B2 (ja) * 2006-01-05 2012-02-01 株式会社フジクラ エポキシ系接着剤、カバーレイ、プリプレグ、金属張積層板、プリント配線基板

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB811780A (en) * 1954-07-16 1959-04-15 Farmaceutica Italia S A Hydrazides and thiosemicarbazones
GB789424A (en) * 1955-05-19 1958-01-22 Int Minerals & Chem Corp Improvements in or relating to process for producing glutamine
US3351658A (en) * 1965-04-06 1967-11-07 Frederick C Bersworth Amide reaction products of amino acid chelating compounds
US3787482A (en) * 1966-09-20 1974-01-22 F Bersworth Method of synthesizing hydrazine compounds carboxylic acids
US3507892A (en) * 1967-08-17 1970-04-21 Weston Chemical Corp Heavy metal chelates of amino hydrazide chelating agents
NL6711460A (pt) * 1967-08-18 1969-02-20
BE754931A (fr) * 1969-08-18 1971-02-17 Stauffer Chemical Co Anhydrides de l'acide nitrilotriacetique et leurs
BE786946A (fr) * 1971-07-29 1973-01-29 Ciba Geigy Chelates pour combattre des symptomes de carences en metaux dans des systemes biologiques

Also Published As

Publication number Publication date
JPS6075455A (ja) 1985-04-27
US4609757A (en) 1986-09-02
GB2144742A (en) 1985-03-13
CA1253168A (en) 1989-04-25
JPH0710973B2 (ja) 1995-02-08
DE3429148C2 (pt) 1993-07-15
JPH0641511A (ja) 1994-02-15
DE3429148A1 (de) 1985-02-28
AU3142384A (en) 1985-02-14
GB2144742B (en) 1987-04-23
GB8420234D0 (en) 1984-09-12
FR2550529A1 (fr) 1985-02-15
IN162691B (pt) 1988-07-02
JPH0692574B2 (ja) 1994-11-16
FR2550529B1 (fr) 1989-02-17
AU561791B2 (en) 1987-05-14

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