CA918165A - Cyclohexane-1,2,3,4,5-pentacarboxylic acid and its dianhydride - Google Patents

Cyclohexane-1,2,3,4,5-pentacarboxylic acid and its dianhydride

Info

Publication number
CA918165A
CA918165A CA054819A CA54819A CA918165A CA 918165 A CA918165 A CA 918165A CA 054819 A CA054819 A CA 054819A CA 54819 A CA54819 A CA 54819A CA 918165 A CA918165 A CA 918165A
Authority
CA
Canada
Prior art keywords
dianhydride
cyclohexane
pentacarboxylic acid
pentacarboxylic
acid
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.)
Expired
Application number
CA054819A
Other languages
English (en)
Inventor
Nohe Heinz
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.)
BASF SE
Original Assignee
Badische Anilin and Sodafabrik AG
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
Priority claimed from DE19681768744 external-priority patent/DE1768744C3/de
Application filed by Badische Anilin and Sodafabrik AG filed Critical Badische Anilin and Sodafabrik AG
Application granted granted Critical
Publication of CA918165A publication Critical patent/CA918165A/en
Expired legal-status Critical Current

Links

Classifications

    • 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

Landscapes

  • Chemical & Material Sciences (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 Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
CA054819A 1968-06-25 1969-06-19 Cyclohexane-1,2,3,4,5-pentacarboxylic acid and its dianhydride Expired CA918165A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19681768744 DE1768744C3 (de) 1968-06-25 Verfahren zur Herstellung von

Publications (1)

Publication Number Publication Date
CA918165A true CA918165A (en) 1973-01-02

Family

ID=5699844

Family Applications (1)

Application Number Title Priority Date Filing Date
CA054819A Expired CA918165A (en) 1968-06-25 1969-06-19 Cyclohexane-1,2,3,4,5-pentacarboxylic acid and its dianhydride

Country Status (6)

Country Link
US (1) US3629291A (xx)
BE (1) BE735095A (xx)
CA (1) CA918165A (xx)
CH (1) CH512418A (xx)
FR (1) FR2011655A1 (xx)
GB (1) GB1268247A (xx)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2432832B2 (de) * 1974-07-09 1976-09-09 Joh. A. Benckiser Gmbh, 6700 Ludwigshafen 1,4-bis-formyl-cyclohexan-polycarbonsaeuren, verfahren zur herstellung und verwendung zur verhuetung von steinbildenden ablagerungen

Also Published As

Publication number Publication date
US3629291A (en) 1971-12-21
BE735095A (xx) 1969-12-29
CH512418A (de) 1971-09-15
DE1768744A1 (de) 1972-01-27
GB1268247A (en) 1972-03-22
DE1768744B2 (de) 1976-07-22
FR2011655A1 (xx) 1970-03-06

Similar Documents

Publication Publication Date Title
CA960670A (en) Phenoxy-alkyl-carboxylic acid derivatives and the preparation thereof
CA1012290A (en) Polyimides
CA943296A (en) Aromatic polyimides with increased solubility
CA893141A (en) Preparation and uses thereof thioureidobenzenes
CA849101A (en) Aromatic copolyamide-acids and copolyimides therefrom
CA918165A (en) Cyclohexane-1,2,3,4,5-pentacarboxylic acid and its dianhydride
CA926396A (en) 2,6-methano-3-benzazocines and preparation thereof
CA855794A (en) Polyimides and compositions thereof
CA781476A (en) 2-substituted-2,8-diazaspiro-(4,5)-decan-1,3-dione and its 8-derivatives
AU435369B2 (en) 17 -alkanoyloxy-9, 21 dihalo-pregna-4-ene-3, 20 diones and derivatives thereof
CA843490A (en) Aromatic polyimides
CA813944A (en) 3-bromo-3-chloro-1,1,1,2,2-pentafluoro-propane and its preparation
AU430989B2 (en) 15, 15g-METHYLENE-TESTOSTERONE AND ESTERS THEREOF
CA820367A (en) 4-trifluoromethylbicyclo (2.2.2)-octane-1-amines and oct-2-ene-1-amines
CA827165A (en) 2-hydroxy-3-substituted propyl 1,4-naphthoquinones and preparation thereof
CA743096A (en) 3,16-estradiol-16-ylacetic acid derivatives and homologues thereof
CA817427A (en) 4,5-dihalo-1,2-dihydropyridazine diones
CA820315A (en) 3,4-cis-4 aryl-isoflavanes and preparation thereof
CA789540A (en) Sulfurenic acid and derivatives thereof
CA802936A (en) 3-nortricyclylacetic acid and derivatives thereof
AU4927069A (en) 17 -alkanoyloxy-9, 21 dihalo-pregna-4-ene-3, 20 diones and derivatives thereof
CA807170A (en) 4,4-diphenyl-cyclohexylamines and derivatives thereof
CA980365A (en) Substituted 1,3,7-octatrienes and their preparation
AU426698B2 (en) SUBSTITUTED 5-KETO-13b ALKYL-17a-ALKYL-18, 19 DINOR-DESA-PREGNENES AND THEIR PREPARATION
CA824155A (en) Peri-substituted thiazobicycloal-kanes and the preparation thereof