GB1126897A - Phthalic anhydride color inhibition - Google Patents
Phthalic anhydride color inhibitionInfo
- Publication number
- GB1126897A GB1126897A GB56927/66A GB5692766A GB1126897A GB 1126897 A GB1126897 A GB 1126897A GB 56927/66 A GB56927/66 A GB 56927/66A GB 5692766 A GB5692766 A GB 5692766A GB 1126897 A GB1126897 A GB 1126897A
- Authority
- GB
- United Kingdom
- Prior art keywords
- phthalic anhydride
- color inhibition
- anhydride color
- therafter
- distilling
- 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
- LGRFSURHDFAFJT-UHFFFAOYSA-N Phthalic anhydride Natural products C1=CC=C2C(=O)OC(=O)C2=C1 LGRFSURHDFAFJT-UHFFFAOYSA-N 0.000 title abstract 4
- JHIWVOJDXOSYLW-UHFFFAOYSA-N butyl 2,2-difluorocyclopropane-1-carboxylate Chemical compound CCCCOC(=O)C1CC1(F)F JHIWVOJDXOSYLW-UHFFFAOYSA-N 0.000 title abstract 4
- 230000005764 inhibitory process Effects 0.000 title 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 abstract 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 abstract 1
- RWBHVFCAOJQFOO-UHFFFAOYSA-N [Ca].C1(C=2C(C(=O)O1)=CC=CC2)=O Chemical compound [Ca].C1(C=2C(C(=O)O1)=CC=CC2)=O RWBHVFCAOJQFOO-UHFFFAOYSA-N 0.000 abstract 1
- 229910052788 barium Inorganic materials 0.000 abstract 1
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 abstract 1
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 229910052793 cadmium Inorganic materials 0.000 abstract 1
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 abstract 1
- 238000004821 distillation Methods 0.000 abstract 1
- 239000003112 inhibitor Substances 0.000 abstract 1
- 229910052742 iron Inorganic materials 0.000 abstract 1
- 229910052709 silver Inorganic materials 0.000 abstract 1
- 239000004332 silver Substances 0.000 abstract 1
- 229910052725 zinc Inorganic materials 0.000 abstract 1
- 239000011701 zinc Substances 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/54—Preparation of carboxylic acid anhydrides
- C07C51/573—Separation; Purification; Stabilisation; Use of additives
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Furan Compounds (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US517911A US3364235A (en) | 1966-01-03 | 1966-01-03 | Phthalic anhydride color inhibition |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1126897A true GB1126897A (en) | 1968-09-11 |
Family
ID=24061738
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB56927/66A Expired GB1126897A (en) | 1966-01-03 | 1966-12-20 | Phthalic anhydride color inhibition |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3364235A (en, 2012) |
| BE (1) | BE692063A (en, 2012) |
| DE (1) | DE1593481A1 (en, 2012) |
| ES (1) | ES335640A1 (en, 2012) |
| FR (1) | FR1507095A (en, 2012) |
| GB (1) | GB1126897A (en, 2012) |
| NL (1) | NL6700015A (en, 2012) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3428423A (en) * | 1966-06-07 | 1969-02-18 | Chem Process Corp | Method for the removal and recovery of promoter from crude phthalic anhydride made by the vapor phase oxidation of orthoxylene in the presence of promoter |
| US11819229B2 (en) | 2019-06-19 | 2023-11-21 | Boston Scientific Scimed, Inc. | Balloon surface photoacoustic pressure wave generation to disrupt vascular lesions |
| CN114989118B (zh) * | 2022-06-29 | 2024-05-24 | 安徽雪郎生物科技股份有限公司 | 一种羧酸酐类的颜色稳定剂及其制备方法和应用 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2510852A (en) * | 1948-03-19 | 1950-06-06 | Allied Chem & Dye Corp | Process for purifying phthalic anhydride |
-
1966
- 1966-01-03 US US517911A patent/US3364235A/en not_active Expired - Lifetime
- 1966-12-20 GB GB56927/66A patent/GB1126897A/en not_active Expired
- 1966-12-23 DE DE19661593481 patent/DE1593481A1/de active Pending
- 1966-12-30 BE BE692063D patent/BE692063A/xx unknown
- 1966-12-31 ES ES0335640A patent/ES335640A1/es not_active Expired
-
1967
- 1967-01-02 FR FR89683A patent/FR1507095A/fr not_active Expired
- 1967-01-05 NL NL6700015A patent/NL6700015A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE1593481A1 (de) | 1970-07-23 |
| BE692063A (en, 2012) | 1967-05-29 |
| NL6700015A (en, 2012) | 1967-07-04 |
| US3364235A (en) | 1968-01-16 |
| FR1507095A (fr) | 1967-12-22 |
| ES335640A1 (es) | 1967-12-01 |
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