NL242891A - - Google Patents
Info
- Publication number
- NL242891A NL242891A NL242891DA NL242891A NL 242891 A NL242891 A NL 242891A NL 242891D A NL242891D A NL 242891DA NL 242891 A NL242891 A NL 242891A
- Authority
- NL
- Netherlands
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D409/00—Heterocyclic compounds containing two or more hetero rings, at least one ring having sulfur atoms as the only ring hetero atoms
- C07D409/14—Heterocyclic compounds containing two or more hetero rings, at least one ring having sulfur atoms as the only ring hetero atoms containing three or more hetero rings
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D413/00—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms
- C07D413/14—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms containing three or more hetero rings
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B6/00—Drives for drilling with combined rotary and percussive action
- E21B6/06—Drives for drilling with combined rotary and percussive action the rotation being intermittent, e.g. obtained by ratchet device
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH6351158A CH367509A (de) | 1958-09-02 | 1958-09-02 | Verfahren zur Herstellung neuer Thiophenderivate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL242891A true NL242891A (xx) |
Family
ID=4525039
Family Applications (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL121733D NL121733C (xx) | 1958-09-02 | ||
| NL277287D NL277287A (xx) | 1958-09-02 | ||
| NL242891D NL242891A (xx) | 1958-09-02 | ||
| NL106045D NL106045C (xx) | 1958-09-02 |
Family Applications Before (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL121733D NL121733C (xx) | 1958-09-02 | ||
| NL277287D NL277287A (xx) | 1958-09-02 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL106045D NL106045C (xx) | 1958-09-02 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US2995564A (xx) |
| BE (1) | BE582221A (xx) |
| CH (1) | CH367509A (xx) |
| DE (2) | DE1109177B (xx) |
| FR (1) | FR1233914A (xx) |
| GB (1) | GB879610A (xx) |
| NL (4) | NL106045C (xx) |
Families Citing this family (27)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL254044A (xx) * | 1959-07-21 | |||
| NL134833C (xx) * | 1960-08-11 | |||
| DE1282021B (de) * | 1960-08-11 | 1968-11-07 | Ciba Geigy | Verfahren zur Herstellung von Bis-(benzazolyl)-thiophenverbindungen |
| DE1121054B (de) * | 1960-11-23 | 1962-01-04 | Merck Ag E | Verfahren zur Herstellung eines neuen Imidazolinderivates und dessen Saeureadditionssalzen |
| BE612776A (xx) * | 1961-01-19 | |||
| GB947982A (en) * | 1961-01-19 | 1964-01-29 | Ciba Ltd | The brightening of polyester materials with 2, 5-di-(2-benzoxazolyl)-thiophene derivatives |
| NL278172A (xx) * | 1961-05-09 | |||
| NL122317C (xx) * | 1961-07-19 | |||
| NL283770A (xx) * | 1961-09-29 | |||
| NL285932A (xx) * | 1961-11-27 | |||
| US3136771A (en) * | 1962-03-09 | 1964-06-09 | Ciba Ltd | Bis-(2-benzoxazolyl) furylmethy-pyridinium chloride |
| CH439715A (de) * | 1962-05-04 | 1967-07-15 | Ciba Geigy | Verwendung von 2,5-Di-(1',3',4'-oxdiazolyl-(2'))-thiophenverbindungen zum optischen Aufhellen nichttextiler organischer Materialien |
| NL297105A (xx) * | 1962-08-27 | |||
| US3222290A (en) * | 1962-10-17 | 1965-12-07 | Nat Distillers Chem Corp | Optical brightening of polystyrene and polyolefins |
| NL301170A (xx) * | 1962-11-30 | |||
| US3314894A (en) * | 1962-11-30 | 1967-04-18 | American Polymer And Chemical | Scintillators, compounds useful therein, and method of making the same |
| NL131195C (xx) * | 1964-04-29 | |||
| CH427722A (de) * | 1964-05-29 | 1966-09-30 | Geigy Ag J R | Verfahren zum optischen Aufhellen von Polyester der Terephthalsäure enthaltendem Fasermaterial |
| US3499762A (en) * | 1966-11-03 | 1970-03-10 | Eastman Kodak Co | Photographic elements comprising novel u.v.-absorbing optical brightening agents |
| CH577062B5 (xx) * | 1973-09-05 | 1976-06-30 | Ciba Geigy Ag | |
| CA1084511A (en) * | 1976-07-05 | 1980-08-26 | Leonardo Guglielmetti | Process for the manufacture of 2,5-bis-(benzoxazolyl)- thiophene compounds |
| ES467739A1 (es) * | 1977-03-16 | 1979-07-01 | Hoechst Ag | Procedimiento para la preparacion de compuestos de bisbenci-midazolil sustituidos |
| IT1099589B (it) * | 1978-08-04 | 1985-09-18 | Ravizza Spa | Processo per la preparazione di derivati dell'acido benzoxazolil propionico |
| US4547528A (en) * | 1984-12-24 | 1985-10-15 | Stauffer Chemical Company | Method of preventing scorch in a polyurethane foam and product thereof |
| US5221749A (en) * | 1989-03-13 | 1993-06-22 | Sumitomo Seika Chemicals Co., Ltd. | Production of dibenzoxazolylthiophenes |
| EP0387725B1 (en) * | 1989-03-13 | 1997-01-22 | Sumitomo Seika Chemicals Co., Ltd. | Production of thiophene-2,5-dicarboxylic acid diesters and tetrahydrothiophene-2,5-dicarboxylic acid diesters |
| JP2004511551A (ja) * | 2000-10-18 | 2004-04-15 | チバ スペシャルティ ケミカルズ ホールディング インコーポレーテッド | ビス−ベンザゾリル化合物の製造方法 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2808407A (en) * | 1957-10-01 | New imidazolium compounds | ||
| GB588972A (en) * | 1942-12-23 | 1947-06-09 | Chem Ind Basel | Manufacture of new water-soluble derivatives of cyclic amidines |
| NL61062C (xx) * | 1942-12-23 | |||
| AT195921B (de) * | 1955-06-17 | 1958-02-25 | Ciba Geigy | Verfahren zur Herstellung von Di-aryloxazolylverbindungen |
| AT195922B (de) * | 1956-06-02 | 1958-02-25 | Ciba Geigy | Verfahren zur Herstellung von α,β-Di-[aryloxazolyl-(2)]-äthylenverbindungen |
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0
- NL NL121733D patent/NL121733C/xx active
- NL NL277287D patent/NL277287A/xx unknown
- DE DENDAT1166197D patent/DE1166197B/de active Pending
- NL NL242891D patent/NL242891A/xx unknown
- BE BE582221D patent/BE582221A/xx unknown
- NL NL106045D patent/NL106045C/xx active
-
1958
- 1958-09-02 CH CH6351158A patent/CH367509A/de unknown
-
1959
- 1959-08-25 FR FR803462A patent/FR1233914A/fr not_active Expired
- 1959-08-27 GB GB29345/59A patent/GB879610A/en not_active Expired
- 1959-09-01 DE DEC19723A patent/DE1109177B/de active Pending
- 1959-09-01 US US837327A patent/US2995564A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE1109177B (de) | 1961-06-22 |
| NL121733C (xx) | |
| US2995564A (en) | 1961-08-08 |
| DE1166197B (de) | 1964-03-26 |
| NL277287A (xx) | |
| BE582221A (xx) | |
| CH367509A (de) | 1963-04-11 |
| NL106045C (xx) | |
| FR1233914A (fr) | 1960-10-13 |
| CH6351158A4 (xx) | 1963-04-11 |
| GB879610A (en) | 1961-10-11 |