NL7508717A - Zuivering van di-isocyanaat. - Google Patents
Zuivering van di-isocyanaat.Info
- Publication number
- NL7508717A NL7508717A NL7508717A NL7508717A NL7508717A NL 7508717 A NL7508717 A NL 7508717A NL 7508717 A NL7508717 A NL 7508717A NL 7508717 A NL7508717 A NL 7508717A NL 7508717 A NL7508717 A NL 7508717A
- Authority
- NL
- Netherlands
- Prior art keywords
- isocyanate
- purification
- Prior art date
Links
- 239000012948 isocyanate Substances 0.000 title 1
- 238000000746 purification Methods 0.000 title 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C263/00—Preparation of derivatives of isocyanic acid
- C07C263/18—Separation; Purification; Stabilisation; Use of additives
- C07C263/20—Separation; Purification
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB3272174A GB1517162A (en) | 1974-07-24 | 1974-07-24 | Purification of diisocyanate |
Publications (1)
Publication Number | Publication Date |
---|---|
NL7508717A true NL7508717A (nl) | 1976-01-27 |
Family
ID=10343032
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL7508717A NL7508717A (nl) | 1974-07-24 | 1975-07-22 | Zuivering van di-isocyanaat. |
Country Status (12)
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4201066A (en) * | 1978-03-29 | 1980-05-06 | Damon Corporation | Flexible shaft construction for a high inertia centrifuge |
DE3329124A1 (de) * | 1983-08-11 | 1985-02-28 | Bayer Ag, 5090 Leverkusen | Verfahren zur reinigung von polyisocyanaten und die so gereinigten polyisocyanate |
DE3430022A1 (de) * | 1984-08-16 | 1986-02-27 | Bayer Ag, 5090 Leverkusen | Verfahren zur gewinnung von reinen diisocyanaten |
JPS62185917U (enrdf_load_stackoverflow) * | 1986-05-20 | 1987-11-26 | ||
JPH0179269U (enrdf_load_stackoverflow) * | 1987-11-18 | 1989-05-29 | ||
DE19914291A1 (de) | 1999-03-30 | 2000-10-05 | Bayer Ag | Verfahren zur Absenkung des Chlorgehaltes von niedermolekularen Isocyanaten |
DE19914292A1 (de) | 1999-03-30 | 2000-10-05 | Bayer Ag | Verfahren zur Verringerung des Chlorgehaltes von organischen Isocyanaten |
DE19922572A1 (de) | 1999-05-17 | 2000-11-23 | Bayer Ag | Verfahren zur Reinigung von organischen Isocyanaten, die so gereinigten organischen Isocyanate und ihre Verwendung |
DE102004005319A1 (de) | 2004-02-04 | 2005-08-25 | Bayer Materialscience Ag | Verfahren zur Herstellung von hochreinem 2,4'-Methylendiphenyldiisocyanat |
JP2022170318A (ja) * | 2021-04-28 | 2022-11-10 | 旭化成株式会社 | イソシアネートの製造方法 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE756979A (fr) * | 1969-10-04 | 1971-03-16 | Bayer Ag | Procede de purification du diphenylmethane-4,4' -diisocyanate |
-
1974
- 1974-07-24 GB GB3272174A patent/GB1517162A/en not_active Expired
-
1975
- 1975-07-16 BE BE1006784A patent/BE831413A/xx not_active IP Right Cessation
- 1975-07-22 BR BR7504660A patent/BR7504660A/pt unknown
- 1975-07-22 DE DE19752532722 patent/DE2532722C2/de not_active Expired
- 1975-07-22 NL NL7508717A patent/NL7508717A/xx not_active Application Discontinuation
- 1975-07-22 SE SE7508355A patent/SE426167B/xx not_active IP Right Cessation
- 1975-07-22 DD DD18741575A patent/DD118618A5/xx unknown
- 1975-07-22 AT AT566075A patent/AT337669B/de not_active IP Right Cessation
- 1975-07-22 JP JP8893975A patent/JPS5134137A/ja active Granted
- 1975-07-22 FR FR7522790A patent/FR2279723A1/fr active Granted
- 1975-07-22 IT IT2565375A patent/IT1039988B/it active
- 1975-07-22 ES ES439618A patent/ES439618A1/es not_active Expired
Also Published As
Publication number | Publication date |
---|---|
SE426167B (sv) | 1982-12-13 |
BE831413A (nl) | 1976-01-16 |
GB1517162A (en) | 1978-07-12 |
ATA566075A (de) | 1976-11-15 |
SE7508355L (sv) | 1976-01-26 |
DE2532722A1 (de) | 1976-02-05 |
FR2279723B1 (enrdf_load_stackoverflow) | 1977-12-09 |
FR2279723A1 (fr) | 1976-02-20 |
ES439618A1 (es) | 1977-01-16 |
BR7504660A (pt) | 1976-07-06 |
DD118618A5 (enrdf_load_stackoverflow) | 1976-03-12 |
JPS6123180B2 (enrdf_load_stackoverflow) | 1986-06-04 |
IT1039988B (it) | 1979-12-10 |
AU8327375A (en) | 1977-01-27 |
JPS5134137A (en) | 1976-03-23 |
DE2532722C2 (de) | 1985-02-21 |
AT337669B (de) | 1977-07-11 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
IT1048493B (it) | Corpi abrasivi | |
FR2292898A1 (fr) | Volant multijante | |
AT350714B (de) | Streckbett | |
BR7502999A (pt) | Esquema mostrador | |
BE834333A (nl) | Zuiveringsinrichting | |
NL7508717A (nl) | Zuivering van di-isocyanaat. | |
AR208000A1 (es) | Procedimiento de purificacion de uroquinasa | |
IT1035589B (it) | Autovettura | |
NL7403851A (nl) | Constructie van op modulematen gebouwde woningen. | |
HU172312B (hu) | Mekhanizm k litejnym ustrojstvam dlja vyvoda zhidkikh metallov | |
NL7503083A (nl) | Bereiding van gemodificeerde polyolen. | |
IT1050696B (it) | Apparato di purificazione | |
NL7511211A (nl) | Oplossing van (co)polyhydrazide. | |
BE830371A (fr) | Purification de beta-naphtol | |
JPS5157905A (ja) | Harazukekoho | |
JPS5135512A (ja) | Chibannikaatsuryokuoataetetsuchikozobuzaiokochikusuru koho | |
JPS5154256A (ja) | Rireekairo | |
SE7513634L (sv) | Biologisk reningsverk | |
SE7510815L (sv) | Halvledardon | |
NL7500690A (nl) | Derivaten van diaminocyclitolen. | |
SU502677A1 (ru) | Трубоправильна машина | |
JPS5114369A (ja) | Kyoeiyotatsuchiban | |
NL7508475A (nl) | Afdeklijst of architraaf. | |
ATA436174A (de) | Nebelwurfkorper | |
JPS517190A (ja) | Deasetokishisefuarosuhorin c no seizoho |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
BA | A request for search or an international-type search has been filed | ||
BB | A search report has been drawn up | ||
BC | A request for examination has been filed | ||
A85 | Still pending on 85-01-01 | ||
BI | The patent application has been withdrawn |