CA918165A - Cyclohexane-1,2,3,4,5-pentacarboxylic acid and its dianhydride - Google Patents
Cyclohexane-1,2,3,4,5-pentacarboxylic acid and its dianhydrideInfo
- 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
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)
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)
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 |
-
1969
- 1969-06-18 US US834490A patent/US3629291A/en not_active Expired - Lifetime
- 1969-06-19 CA CA054819A patent/CA918165A/en not_active Expired
- 1969-06-23 CH CH958869A patent/CH512418A/de not_active IP Right Cessation
- 1969-06-24 FR FR6921070A patent/FR2011655A1/fr not_active Withdrawn
- 1969-06-24 GB GB31742/69A patent/GB1268247A/en not_active Expired
- 1969-06-25 BE BE735095D patent/BE735095A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
US3629291A (en) | 1971-12-21 |
BE735095A (xx) | 1969-12-29 |
DE1768744A1 (de) | 1972-01-27 |
CH512418A (de) | 1971-09-15 |
DE1768744B2 (de) | 1976-07-22 |
GB1268247A (en) | 1972-03-22 |
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 | |
CA802936A (en) | 3-nortricyclylacetic acid and derivatives thereof | |
CA789540A (en) | Sulfurenic 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 | |
AU426698B2 (en) | SUBSTITUTED 5-KETO-13b ALKYL-17a-ALKYL-18, 19 DINOR-DESA-PREGNENES AND THEIR PREPARATION | |
CA980365A (en) | Substituted 1,3,7-octatrienes and their preparation | |
CA824155A (en) | Peri-substituted thiazobicycloal-kanes and the preparation thereof |