ES506841A0 - Procedimiento para la obtencion de polioles con, como mini- mo, un anillo oxaciclopentano. - Google Patents
Procedimiento para la obtencion de polioles con, como mini- mo, un anillo oxaciclopentano.Info
- Publication number
- ES506841A0 ES506841A0 ES506841A ES506841A ES506841A0 ES 506841 A0 ES506841 A0 ES 506841A0 ES 506841 A ES506841 A ES 506841A ES 506841 A ES506841 A ES 506841A ES 506841 A0 ES506841 A0 ES 506841A0
- Authority
- ES
- Spain
- Prior art keywords
- oxaciclopentan
- procedure
- ring
- obtaining polyols
- polyols
- 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.)
- Granted
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 (de) | 1980-11-05 | 1980-11-05 | Verfahren zur Herstellung von 1,4-Anhydrotetriten, 1,4-Anhydropentiten oder 1,4;3,6-Dianhydrohexiten |
Publications (2)
Publication Number | Publication Date |
---|---|
ES8302039A1 ES8302039A1 (es) | 1983-01-16 |
ES506841A0 true ES506841A0 (es) | 1983-01-16 |
Family
ID=6115990
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES506841A Granted ES506841A0 (es) | 1980-11-05 | 1981-11-04 | Procedimiento para la obtencion de polioles con, como mini- mo, un anillo oxaciclopentano. |
Country Status (8)
Country | Link |
---|---|
EP (1) | EP0052295B1 (es) |
BR (1) | BR8107183A (es) |
DE (2) | DE3041673C2 (es) |
DK (1) | DK452581A (es) |
ES (1) | ES506841A0 (es) |
FI (1) | FI79306C (es) |
YU (1) | YU42591B (es) |
ZA (1) | ZA817113B (es) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3111092A1 (de) | 1981-03-20 | 1982-09-30 | Bayer Ag, 5090 Leverkusen | Verfahren zur herstellung von 1.4-3.6-dianhydro-hexitolen |
DE3229412A1 (de) * | 1982-08-06 | 1984-02-09 | Bayer Ag, 5090 Leverkusen | Verfahren zur herstellung von dianhydrohexitol-gemischen aus hexitolen, dianhydro-idit enthaltende dianhydro-hexitol-gemischen und ihre verwendung zur herstellung von polymeren |
DE3230349A1 (de) * | 1982-08-14 | 1984-02-16 | Maizena Gmbh, 2000 Hamburg | Verfahren zur gewinnung reiner kristalliner anhydropentite, mono- und/oder dianhydrohexite |
DE3233086A1 (de) * | 1982-09-07 | 1984-03-08 | Bayer Ag, 5090 Leverkusen | Verfahren zur herstellung von polyurethan-elastomeren unter verwendung von diolen der dianhydro-hexit-reihe in verbindung mit polyoxyalkylen-polydialkylsiloxan-copolymeren |
DE3302603A1 (de) * | 1983-01-27 | 1984-08-02 | Bayer Ag, 5090 Leverkusen | Verfahren zur herstellung von polyurethanelastomeren unter verwendung von diolen der anhydro-tetrit-reihe |
FR2617846B1 (fr) * | 1987-07-07 | 1992-07-17 | Beghin Say Sa | Procede de preparation d'anhydrides d'hexitols, d'hexonolactones et d'hexosides |
NL1015119C2 (nl) | 2000-05-04 | 2001-11-06 | Inst Agrotechnologisch Onderzoek Ato Dlo | Verbeterde synthese van anhydroglycitol-esters met verbeterde kleur. |
FR2810040B1 (fr) * | 2000-06-09 | 2004-04-09 | Roquette Freres | Procede de purification d'une composition contenant au moins un produit de deshydratation interne d'un sucre hydrogene |
-
1980
- 1980-11-05 DE DE3041673A patent/DE3041673C2/de not_active Expired
-
1981
- 1981-10-13 DK DK452581A patent/DK452581A/da not_active Application Discontinuation
- 1981-10-14 ZA ZA817113A patent/ZA817113B/xx unknown
- 1981-10-30 EP EP81109422A patent/EP0052295B1/de not_active Expired
- 1981-10-30 DE DE8181109422T patent/DE3170424D1/de not_active Expired
- 1981-11-02 FI FI813442A patent/FI79306C/fi not_active IP Right Cessation
- 1981-11-04 YU YU2623/81A patent/YU42591B/xx unknown
- 1981-11-04 ES ES506841A patent/ES506841A0/es active Granted
- 1981-11-05 BR BR8107183A patent/BR8107183A/pt unknown
Also Published As
Publication number | Publication date |
---|---|
YU262381A (en) | 1983-06-30 |
YU42591B (en) | 1988-10-31 |
DK452581A (da) | 1982-05-06 |
DE3041673A1 (de) | 1982-06-03 |
ES8302039A1 (es) | 1983-01-16 |
FI79306C (fi) | 1989-12-11 |
DE3041673C2 (de) | 1983-12-08 |
EP0052295B1 (de) | 1985-05-08 |
BR8107183A (pt) | 1982-07-20 |
EP0052295A2 (de) | 1982-05-26 |
EP0052295A3 (en) | 1982-08-25 |
ZA817113B (en) | 1982-09-29 |
FI79306B (fi) | 1989-08-31 |
FI813442L (fi) | 1982-05-06 |
DE3170424D1 (en) | 1985-06-13 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
ES510255A0 (es) | Procedimiento para la obtencion de poliisocianatos. | |
ES508385A0 (es) | Un procedimiento mejorado para la obtencion de hidrocarburos fluorados. | |
ES267206Y (es) | Fresa anular para orificios. | |
ES506463A0 (es) | Procedimiento mejorado para la fabricacion de un dispositivo electrocronico. | |
ES489668A0 (es) | Un procedimiento mejorado para la obtencion de oxido de eti-leno. | |
NO153325C (no) | Dekk, spesielt for fly. | |
ES520273A0 (es) | Procedimiento para la obtencion de trimetilolpropano. | |
ES500573A0 (es) | Un procedimiento para la produccion de un, alfa-monoalquil gliceril eter. | |
ES514300A0 (es) | Procedimiento para la obtencion de poliisocianatos. | |
ES503456A0 (es) | Un transportador automatico,en especial para la concatena- cion de prensas | |
ES506841A0 (es) | Procedimiento para la obtencion de polioles con, como mini- mo, un anillo oxaciclopentano. | |
ES515445A0 (es) | Procedimiento para la obtencion de amino-organoaminosilosanos. | |
ES544387A0 (es) | Procedimiento para la obtencion de un 9alfa, 11alfa-epoxiesteroide. | |
ES507523A0 (es) | Procedimiento para la obtencion de disulfuros de xantogeno. | |
ES516842A0 (es) | Procedimiento para la obtencion de benzofuranonas. | |
ES520119A0 (es) | Procedimiento para la obtencion de n-vinilacilaminas ciclicas. | |
ES501347A0 (es) | Procedimiento para la obtencion de cianguanidina trisusti- tuidas, de efecto fungicida | |
ES496334A0 (es) | Procedimiento para la obtencion de 5-ciano-5h-dibenz(b,f)- azepina | |
ES518617A0 (es) | Procedimiento para la obtencion de p-tercioctil-fenol. | |
ES510596A0 (es) | Procedimiento para la obtencion de 3-alquen-i-il-2,3-dimetil-ciclopropancarboxilatos de 4-fluor-3-fenoxi-bencilo. | |
ES500985A0 (es) | Procedimiento para la obtencion de un material adsorvente. | |
ES502951A0 (es) | Procedimiento para la obtencion de 4-aralquil-1,4-dihidro- pirdinas | |
ES503653A0 (es) | Procedimiento para la obtencion de 2,4-dioxa-7,10-metano-espiro s',s-undecanos. | |
ES514481A0 (es) | Procedimiento para la obtencion de derivados de diaril-imidazol. | |
ES522474A0 (es) | Procedimiento para la obtencion de halogenopropargilformamidas. |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
FD1A | Patent lapsed |
Effective date: 19960603 |