DK452581A - PROCEDURE FOR PREPARING POLYILS WITH AT LEAST ONE OXACYCLOPENT ANNUAL - Google Patents
PROCEDURE FOR PREPARING POLYILS WITH AT LEAST ONE OXACYCLOPENT ANNUALInfo
- Publication number
- DK452581A DK452581A DK452581A DK452581A DK452581A DK 452581 A DK452581 A DK 452581A DK 452581 A DK452581 A DK 452581A DK 452581 A DK452581 A DK 452581A DK 452581 A DK452581 A DK 452581A
- Authority
- DK
- Denmark
- Prior art keywords
- polyils
- oxacyclopent
- annual
- preparing
- procedure
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D493/00—Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system
- C07D493/02—Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system in which the condensed system contains two hetero rings
- C07D493/04—Ortho-condensed systems
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
- C07D307/02—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings
- C07D307/04—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having no double bonds between ring members or between ring members and non-ring members
- C07D307/18—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having no double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D307/20—Oxygen atoms
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE3041673A DE3041673C2 (en) | 1980-11-05 | 1980-11-05 | Process for the preparation of 1,4-anhydrotetrites, 1,4-anhydropentites or 1,4; 3,6-dianhydrohexites |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DK452581A true DK452581A (en) | 1982-05-06 |
Family
ID=6115990
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK452581A DK452581A (en) | 1980-11-05 | 1981-10-13 | PROCEDURE FOR PREPARING POLYILS WITH AT LEAST ONE OXACYCLOPENT ANNUAL |
Country Status (8)
| Country | Link |
|---|---|
| EP (1) | EP0052295B1 (en) |
| BR (1) | BR8107183A (en) |
| DE (2) | DE3041673C2 (en) |
| DK (1) | DK452581A (en) |
| ES (1) | ES506841A0 (en) |
| FI (1) | FI79306C (en) |
| YU (1) | YU42591B (en) |
| ZA (1) | ZA817113B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3111092A1 (en) | 1981-03-20 | 1982-09-30 | Bayer Ag, 5090 Leverkusen | METHOD FOR PRODUCING 1.4-3.6-DIANHYDRO-HEXITOLS |
| DE3229412A1 (en) * | 1982-08-06 | 1984-02-09 | Bayer Ag, 5090 Leverkusen | METHOD FOR PRODUCING DIANHYDROHEXITOL MIXTURES FROM HEXITOLS, DIANHYDRO-HEXITOL MIXTURES CONTAINING DIANHYDRO IDITES AND THE USE THEREOF FOR PRODUCING POLYMERS |
| DE3230349A1 (en) * | 1982-08-14 | 1984-02-16 | Maizena Gmbh, 2000 Hamburg | METHOD FOR OBTAINING PURE CRYSTALLINE ANHYDROPENTITE, MONO- AND / OR DIANHYDROHEXITE |
| DE3233086A1 (en) * | 1982-09-07 | 1984-03-08 | Bayer Ag, 5090 Leverkusen | METHOD FOR PRODUCING POLYURETHANE ELASTOMERS USING DIOLES OF THE DIANHYDRO-HEXIT SERIES IN CONNECTION WITH POLYOXYALKYLENE-POLYDIALKYLSILOXANE COPOLYMERS |
| DE3302603A1 (en) * | 1983-01-27 | 1984-08-02 | Bayer Ag, 5090 Leverkusen | METHOD FOR PRODUCING POLYURETHANE ELASTOMERS USING DIOLS OF THE ANHYDRO-TETRITE SERIES |
| FR2617846B1 (en) * | 1987-07-07 | 1992-07-17 | Beghin Say Sa | PROCESS FOR THE PREPARATION OF ANHYDRIDES OF HEXITOLS, HEXONOLACTONES AND HEXOSIDES |
| NL1015119C2 (en) * | 2000-05-04 | 2001-11-06 | Inst Agrotechnologisch Onderzoek Ato Dlo | Improved synthesis of anhydroglycitol esters with improved color. |
| FR2810040B1 (en) * | 2000-06-09 | 2004-04-09 | Roquette Freres | PROCESS FOR PURIFYING A COMPOSITION CONTAINING AT LEAST ONE PRODUCT OF INTERNAL DEHYDRATION OF A HYDROGENIC SUGAR |
-
1980
- 1980-11-05 DE DE3041673A patent/DE3041673C2/en not_active Expired
-
1981
- 1981-10-13 DK DK452581A patent/DK452581A/en not_active Application Discontinuation
- 1981-10-14 ZA ZA817113A patent/ZA817113B/en unknown
- 1981-10-30 EP EP81109422A patent/EP0052295B1/en not_active Expired
- 1981-10-30 DE DE8181109422T patent/DE3170424D1/en not_active Expired
- 1981-11-02 FI FI813442A patent/FI79306C/en not_active IP Right Cessation
- 1981-11-04 ES ES506841A patent/ES506841A0/en active Granted
- 1981-11-04 YU YU2623/81A patent/YU42591B/en unknown
- 1981-11-05 BR BR8107183A patent/BR8107183A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FI813442L (en) | 1982-05-06 |
| BR8107183A (en) | 1982-07-20 |
| EP0052295A2 (en) | 1982-05-26 |
| FI79306C (en) | 1989-12-11 |
| DE3170424D1 (en) | 1985-06-13 |
| DE3041673A1 (en) | 1982-06-03 |
| EP0052295A3 (en) | 1982-08-25 |
| DE3041673C2 (en) | 1983-12-08 |
| ZA817113B (en) | 1982-09-29 |
| EP0052295B1 (en) | 1985-05-08 |
| ES8302039A1 (en) | 1983-01-16 |
| FI79306B (en) | 1989-08-31 |
| YU262381A (en) | 1983-06-30 |
| YU42591B (en) | 1988-10-31 |
| ES506841A0 (en) | 1983-01-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| AHB | Application shelved due to non-payment |