RO86115B1 - Procedeu de obtinere a anhidridelor polialchenilsuccinice - Google Patents
Procedeu de obtinere a anhidridelor polialchenilsucciniceInfo
- Publication number
- RO86115B1 RO86115B1 RO112898A RO11289883A RO86115B1 RO 86115 B1 RO86115 B1 RO 86115B1 RO 112898 A RO112898 A RO 112898A RO 11289883 A RO11289883 A RO 11289883A RO 86115 B1 RO86115 B1 RO 86115B1
- Authority
- RO
- Romania
- Prior art keywords
- polyalkylenylsuccinite
- anhydrides
- preparing
- maleic anhydride
- reactants
- Prior art date
Links
- 150000008064 anhydrides Chemical class 0.000 title abstract 2
- 238000004519 manufacturing process Methods 0.000 title abstract 2
- WFDIJRYMOXRFFG-UHFFFAOYSA-N acetic acid anhydride Natural products CC(=O)OC(C)=O WFDIJRYMOXRFFG-UHFFFAOYSA-N 0.000 abstract 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 abstract 2
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 abstract 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 abstract 1
- 238000006243 chemical reaction Methods 0.000 abstract 1
- 229910052801 chlorine Inorganic materials 0.000 abstract 1
- 239000000460 chlorine Substances 0.000 abstract 1
- 239000003112 inhibitor Substances 0.000 abstract 1
- 238000006317 isomerization reaction Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 239000000376 reactant Substances 0.000 abstract 1
Landscapes
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Inventia se refera la un procedeu de obtinere a anhidrifelor polialchenilsuccinice conform caruia se utilizeaza un raport molar între reactanti de 0,8.....1,2 mol anhidrida maleica echivalent gram clor, lucrand în prezenta de 0,3.....0,6% în greutate inhibitor de izomerizare, reprezentat de acid acetic sau anhidrida acetica, reactia fiind efectuata timp de 10.....15 h la temperatura de 180....220 degree C, cu eliminarea anhidridei maleice nereactionate prin stripare la 200 degree C, timp de o ora la o presiune remanenta 10....20 mm Hg.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RO112898A RO86115B1 (ro) | 1983-12-16 | 1983-12-16 | Procedeu de obtinere a anhidridelor polialchenilsuccinice |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RO112898A RO86115B1 (ro) | 1983-12-16 | 1983-12-16 | Procedeu de obtinere a anhidridelor polialchenilsuccinice |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| RO86115A2 RO86115A2 (ro) | 1985-02-25 |
| RO86115B1 true RO86115B1 (ro) | 1985-03-01 |
Family
ID=20114044
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RO112898A RO86115B1 (ro) | 1983-12-16 | 1983-12-16 | Procedeu de obtinere a anhidridelor polialchenilsuccinice |
Country Status (1)
| Country | Link |
|---|---|
| RO (1) | RO86115B1 (ro) |
-
1983
- 1983-12-16 RO RO112898A patent/RO86115B1/ro unknown
Also Published As
| Publication number | Publication date |
|---|---|
| RO86115A2 (ro) | 1985-02-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| UA5558A1 (uk) | Спосіб отримання алкенових похідних чи їх солей | |
| RO83699B (ro) | Procedeu pentru prepararea unui bisester al metandiolului | |
| IL84770A0 (en) | Process for the preparation of(+)-biotin | |
| DK434989A (da) | Fremgangsmaade til kontinuerlig fremstilling af 2-phosphonobutan-1,2,4-tricarboxylsyre eller dennes alkalimetalsalte | |
| RO86115B1 (ro) | Procedeu de obtinere a anhidridelor polialchenilsuccinice | |
| RO87040B (ro) | Procedeu de preparare a n-fosfonometilglicinei | |
| GB1209725A (en) | Process for the production of acetoacetic acids | |
| RO87039B1 (ro) | Procedeu pentru prepararea unor derivati de acid penicilanic | |
| RO85386B (ro) | Procedeu pentru purificarea unor derivati de acizi fenoxibenzoici | |
| ES8203315A1 (es) | Procedimiento para la preparacion de compuestos de viniles- tilbeno | |
| YU160383A (en) | Process for preparing a catalyst suitabile for the polymerization of olefines | |
| GB1498579A (en) | Process for producing indoline | |
| CS756283A2 (en) | Zpusob pripravy n fosfonomethylglycinu | |
| ES8609297A1 (es) | Procedimiento de preparar aminolactonas | |
| JPS6447733A (en) | Manufacture of naproxan | |
| GB1503774A (en) | Production of enolester epoxides | |
| GB1468874A (ro) | ||
| RO85388B (ro) | Procedeu de preparare a unor derivati ai acizilor fenoxibenzoici | |
| FR2387929A1 (fr) | Procede de racemisation des acides n-carbethoxy-(alpha-aminophenylacetiques) optiquement actifs | |
| JPS6442449A (en) | Production of p-phenoxyphenol | |
| JPS56135462A (en) | Preparation of alpha-sulfenylacetic acid and aromatic compound having related functional group | |
| RO82904B1 (ro) | Procedeu pentru prepararea 2, 2-dimetilhidrazidei acidului succinic | |
| RO84913B1 (ro) | Procedeu de preparare a acidului beta-naftoxiacetic | |
| JPS51113822A (en) | Process for preparation of cis-epoxysuccinic acid salts | |
| RO82265B1 (ro) | Sare dubla de magneziu cu acizii organici si procedeu de preparare a sa |