FR2107704A5 - Pure 2,2-dimethylpropanediol-1,3 prodn -with distillation - effected in presence of phosphoric acid - Google Patents
Pure 2,2-dimethylpropanediol-1,3 prodn -with distillation - effected in presence of phosphoric acidInfo
- Publication number
- FR2107704A5 FR2107704A5 FR7133248A FR7133248A FR2107704A5 FR 2107704 A5 FR2107704 A5 FR 2107704A5 FR 7133248 A FR7133248 A FR 7133248A FR 7133248 A FR7133248 A FR 7133248A FR 2107704 A5 FR2107704 A5 FR 2107704A5
- Authority
- FR
- France
- Prior art keywords
- phosphoric acid
- dimethylpropanediol
- prodn
- distillation
- effected
- 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
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 title abstract 4
- 229910000147 aluminium phosphate Inorganic materials 0.000 title abstract 2
- 238000004821 distillation Methods 0.000 title 1
- AMIMRNSIRUDHCM-UHFFFAOYSA-N Isopropylaldehyde Chemical compound CC(C)C=O AMIMRNSIRUDHCM-UHFFFAOYSA-N 0.000 abstract 2
- 239000003054 catalyst Substances 0.000 abstract 2
- JJMOMMLADQPZNY-UHFFFAOYSA-N 3-hydroxy-2,2-dimethylpropanal Chemical compound OCC(C)(C)C=O JJMOMMLADQPZNY-UHFFFAOYSA-N 0.000 abstract 1
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 abstract 1
- 239000002253 acid Substances 0.000 abstract 1
- 229910052783 alkali metal Inorganic materials 0.000 abstract 1
- 150000001340 alkali metals Chemical class 0.000 abstract 1
- 229910052784 alkaline earth metal Inorganic materials 0.000 abstract 1
- 150000001342 alkaline earth metals Chemical class 0.000 abstract 1
- 238000006243 chemical reaction Methods 0.000 abstract 1
- 238000000354 decomposition reaction Methods 0.000 abstract 1
- 150000002009 diols Chemical class 0.000 abstract 1
- 229910052751 metal Inorganic materials 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
- 229910001463 metal phosphate Inorganic materials 0.000 abstract 1
- 150000002739 metals Chemical class 0.000 abstract 1
- 239000004014 plasticizer Substances 0.000 abstract 1
- 229920005989 resin Polymers 0.000 abstract 1
- 239000011347 resin Substances 0.000 abstract 1
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19702045668 DE2045668C3 (de) | 1970-09-16 | 1970-09-16 | Verfahren zur Gewinnung von reinem 2,2-Dimethylpropandiol-(l,3) |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR2107704A5 true FR2107704A5 (en) | 1972-05-05 |
Family
ID=5782518
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7133248A Expired FR2107704A5 (en) | 1970-09-16 | 1971-09-15 | Pure 2,2-dimethylpropanediol-1,3 prodn -with distillation - effected in presence of phosphoric acid |
Country Status (3)
| Country | Link |
|---|---|
| AT (1) | AT309393B (de) |
| DE (1) | DE2045668C3 (de) |
| FR (1) | FR2107704A5 (de) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3638496A1 (de) * | 1986-11-11 | 1988-05-26 | Huels Chemische Werke Ag | Verfahren zur gewinnung von reinem 2,2-dimethyl-1,3-propandiol (npg) |
| DE3942792A1 (de) * | 1989-12-23 | 1991-06-27 | Hoechst Ag | Verfahren zur herstellung von 2,2-dimethylpropandiol-(1,3) |
-
1970
- 1970-09-16 DE DE19702045668 patent/DE2045668C3/de not_active Expired
-
1971
- 1971-07-23 AT AT641971A patent/AT309393B/de not_active IP Right Cessation
- 1971-09-15 FR FR7133248A patent/FR2107704A5/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2045668A1 (de) | 1972-03-23 |
| AT309393B (de) | 1973-08-10 |
| DE2045668C3 (de) | 1980-09-04 |
| DE2045668B2 (de) | 1980-01-03 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |