CH232506A - Verfahren zur Herstellung eines Disazofarbstoffes. - Google Patents
Verfahren zur Herstellung eines Disazofarbstoffes.Info
- Publication number
- CH232506A CH232506A CH232506DA CH232506A CH 232506 A CH232506 A CH 232506A CH 232506D A CH232506D A CH 232506DA CH 232506 A CH232506 A CH 232506A
- Authority
- CH
- Switzerland
- Prior art keywords
- preparation
- disazo dye
- disazo
- dye
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
- C09B35/00—Disazo and polyazo dyes of the type A<-D->B prepared by diazotising and coupling
- C09B35/02—Disazo dyes
- C09B35/039—Disazo dyes characterised by the tetrazo component
- C09B35/08—Disazo dyes characterised by the tetrazo component the tetrazo component being a derivative of biphenyl
- C09B35/10—Disazo dyes characterised by the tetrazo component the tetrazo component being a derivative of biphenyl from two coupling components of the same type
- C09B35/18—Disazo dyes characterised by the tetrazo component the tetrazo component being a derivative of biphenyl from two coupling components of the same type from heterocyclic compounds
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
- C09B35/00—Disazo and polyazo dyes of the type A<-D->B prepared by diazotising and coupling
- C09B35/02—Disazo dyes
- C09B35/039—Disazo dyes characterised by the tetrazo component
- C09B35/08—Disazo dyes characterised by the tetrazo component the tetrazo component being a derivative of biphenyl
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
- C09B35/00—Disazo and polyazo dyes of the type A<-D->B prepared by diazotising and coupling
- C09B35/02—Disazo dyes
- C09B35/039—Disazo dyes characterised by the tetrazo component
- C09B35/08—Disazo dyes characterised by the tetrazo component the tetrazo component being a derivative of biphenyl
- C09B35/10—Disazo dyes characterised by the tetrazo component the tetrazo component being a derivative of biphenyl from two coupling components of the same type
- C09B35/16—Disazo dyes characterised by the tetrazo component the tetrazo component being a derivative of biphenyl from two coupling components of the same type from hydroxy-amines
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
- C09B41/00—Special methods of performing the coupling reaction
- C09B41/001—Special methods of performing the coupling reaction characterised by the coupling medium
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Coloring (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH232505T | 1941-02-18 | ||
CH609299X | 1942-02-03 | ||
CH616155X | 1942-10-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH232506A true CH232506A (de) | 1944-05-31 |
Family
ID=27177968
Family Applications (38)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH232508D CH232508A (de) | 1941-02-18 | 1941-02-18 | Verfahren zur Herstellung eines Disazofarbstoffes. |
CH232509D CH232509A (de) | 1941-02-18 | 1941-02-18 | Verfahren zur Herstellung eines Disazofarbstoffes. |
CH232505D CH232505A (de) | 1941-02-18 | 1941-02-18 | Verfahren zur Herstellung eines Disazofarbstoffes. |
CH232504D CH232504A (de) | 1941-02-18 | 1941-02-18 | Verfahren zur Herstellung eines Disazofarbstoffes. |
CH231843D CH231843A (de) | 1941-02-18 | 1941-02-18 | Verfahren zur Herstellung eines Disazofarbstoffes. |
CH229184D CH229184A (de) | 1941-02-18 | 1941-02-18 | Verfahren zur Herstellung eines Disazofarbstoffes. |
CH232506D CH232506A (de) | 1941-02-18 | 1941-02-18 | Verfahren zur Herstellung eines Disazofarbstoffes. |
CH232503D CH232503A (de) | 1941-02-18 | 1941-02-18 | Verfahren zur Herstellung eines Disazofarbstoffes. |
CH233083D CH233083A (de) | 1941-02-18 | 1941-02-18 | Verfahren zur Herstellung eines Disazofarbstoffes. |
CH246422D CH246422A (de) | 1941-02-18 | 1942-02-02 | Verfahren zur Herstellung eines neuen Disazofarbstoffes. |
CH257015D CH257015A (de) | 1941-02-18 | 1942-02-02 | Verfahren zur Herstellung eines neuen Disazofarbstoffes. |
CH257016D CH257016A (de) | 1941-02-18 | 1942-02-02 | Verfahren zur Herstellung eines neuen Disazofarbstoffes. |
CH241346D CH241346A (de) | 1941-02-18 | 1942-02-03 | Verfahren zur Herstellung eines Disazofarbstoffes. |
CH236925D CH236925A (de) | 1941-02-18 | 1942-02-03 | Verfahren zur Herstellung eines Disazofarbstoffes. |
CH238264D CH238264A (de) | 1941-02-18 | 1942-02-03 | Verfahren zur Herstellung eines Disazofarbstoffes. |
CH257020D CH257020A (de) | 1941-02-18 | 1942-02-05 | Verfahren zur Herstellung eines Disazofarbstoffes. |
CH257013D CH257013A (de) | 1941-02-18 | 1942-02-05 | Verfahren zur Herstellung eines Disazofarbstoffes. |
CH257019D CH257019A (de) | 1941-02-18 | 1942-02-05 | Verfahren zur Herstellung eines Disazofarbstoffes. |
CH257014D CH257014A (de) | 1941-02-18 | 1942-02-05 | Verfahren zur Herstellung eines Disazofarbstoffes. |
CH246423D CH246423A (de) | 1941-02-18 | 1942-02-05 | Verfahren zur Herstellung eines Disazofarbstoffes. |
CH257012D CH257012A (de) | 1941-02-18 | 1942-02-05 | Verfahren zur Herstellung eines Disazofarbstoffes. |
CH257010D CH257010A (de) | 1941-02-18 | 1942-02-05 | Verfahren zur Herstellung eines Disazofarbstoffes. |
CH257011D CH257011A (de) | 1941-02-18 | 1942-02-05 | Verfahren zur Herstellung eines Disazofarbstoffes. |
CH257009D CH257009A (de) | 1941-02-18 | 1942-02-05 | Verfahren zur Herstellung eines Disazofarbstoffes. |
CH236938D CH236938A (de) | 1941-02-18 | 1942-10-30 | Verfahren zur Herstellung eines Disazofarbstoffes. |
CH236936D CH236936A (de) | 1941-02-18 | 1942-10-30 | Verfahren zur Herstellung eines Disazofarbstoffes. |
CH236929D CH236929A (de) | 1941-02-18 | 1942-10-30 | Verfahren zur herstellung eines Disazofarbstoffes. |
CH236927D CH236927A (de) | 1941-02-18 | 1942-10-30 | Verfahren zur Herstellung eines Disazofarbstoffes. |
CH236935D CH236935A (de) | 1941-02-18 | 1942-10-30 | Verfahren zur Herstellung eines Disazofarbstoffes. |
CH241347D CH241347A (de) | 1941-02-18 | 1942-10-30 | Verfahren zur Herstellung eines Disazofarbstoffes. |
CH236926D CH236926A (de) | 1941-02-18 | 1942-10-30 | Verfahren zur Herstellung eines Disazofarbstoffes. |
CH236930D CH236930A (de) | 1941-02-18 | 1942-10-30 | Verfahren zur Herstellung eines Disazofarbstoffes. |
CH236932D CH236932A (de) | 1941-02-18 | 1942-10-30 | Verfahren zur Herstellung eines Disazofarbstoffes. |
CH236931D CH236931A (de) | 1941-02-18 | 1942-10-30 | Verfahren zur Herstellung eines Disazofarbstoffes. |
CH236934D CH236934A (de) | 1941-02-18 | 1942-10-30 | Verfahren zur Herstellung eines Disazofarbstoffes. |
CH236937D CH236937A (de) | 1941-02-18 | 1942-10-30 | Verfahren zur Herstellung eines Disazofarbstoffes. |
CH236928D CH236928A (de) | 1941-02-18 | 1942-10-30 | Verfahren zur Herstellung eines Disazofarbstoffes. |
CH236933D CH236933A (de) | 1941-02-18 | 1942-10-30 | Verfahren zur Herstellung eines Disazofarbstoffes. |
Family Applications Before (6)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH232508D CH232508A (de) | 1941-02-18 | 1941-02-18 | Verfahren zur Herstellung eines Disazofarbstoffes. |
CH232509D CH232509A (de) | 1941-02-18 | 1941-02-18 | Verfahren zur Herstellung eines Disazofarbstoffes. |
CH232505D CH232505A (de) | 1941-02-18 | 1941-02-18 | Verfahren zur Herstellung eines Disazofarbstoffes. |
CH232504D CH232504A (de) | 1941-02-18 | 1941-02-18 | Verfahren zur Herstellung eines Disazofarbstoffes. |
CH231843D CH231843A (de) | 1941-02-18 | 1941-02-18 | Verfahren zur Herstellung eines Disazofarbstoffes. |
CH229184D CH229184A (de) | 1941-02-18 | 1941-02-18 | Verfahren zur Herstellung eines Disazofarbstoffes. |
Family Applications After (31)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH232503D CH232503A (de) | 1941-02-18 | 1941-02-18 | Verfahren zur Herstellung eines Disazofarbstoffes. |
CH233083D CH233083A (de) | 1941-02-18 | 1941-02-18 | Verfahren zur Herstellung eines Disazofarbstoffes. |
CH246422D CH246422A (de) | 1941-02-18 | 1942-02-02 | Verfahren zur Herstellung eines neuen Disazofarbstoffes. |
CH257015D CH257015A (de) | 1941-02-18 | 1942-02-02 | Verfahren zur Herstellung eines neuen Disazofarbstoffes. |
CH257016D CH257016A (de) | 1941-02-18 | 1942-02-02 | Verfahren zur Herstellung eines neuen Disazofarbstoffes. |
CH241346D CH241346A (de) | 1941-02-18 | 1942-02-03 | Verfahren zur Herstellung eines Disazofarbstoffes. |
CH236925D CH236925A (de) | 1941-02-18 | 1942-02-03 | Verfahren zur Herstellung eines Disazofarbstoffes. |
CH238264D CH238264A (de) | 1941-02-18 | 1942-02-03 | Verfahren zur Herstellung eines Disazofarbstoffes. |
CH257020D CH257020A (de) | 1941-02-18 | 1942-02-05 | Verfahren zur Herstellung eines Disazofarbstoffes. |
CH257013D CH257013A (de) | 1941-02-18 | 1942-02-05 | Verfahren zur Herstellung eines Disazofarbstoffes. |
CH257019D CH257019A (de) | 1941-02-18 | 1942-02-05 | Verfahren zur Herstellung eines Disazofarbstoffes. |
CH257014D CH257014A (de) | 1941-02-18 | 1942-02-05 | Verfahren zur Herstellung eines Disazofarbstoffes. |
CH246423D CH246423A (de) | 1941-02-18 | 1942-02-05 | Verfahren zur Herstellung eines Disazofarbstoffes. |
CH257012D CH257012A (de) | 1941-02-18 | 1942-02-05 | Verfahren zur Herstellung eines Disazofarbstoffes. |
CH257010D CH257010A (de) | 1941-02-18 | 1942-02-05 | Verfahren zur Herstellung eines Disazofarbstoffes. |
CH257011D CH257011A (de) | 1941-02-18 | 1942-02-05 | Verfahren zur Herstellung eines Disazofarbstoffes. |
CH257009D CH257009A (de) | 1941-02-18 | 1942-02-05 | Verfahren zur Herstellung eines Disazofarbstoffes. |
CH236938D CH236938A (de) | 1941-02-18 | 1942-10-30 | Verfahren zur Herstellung eines Disazofarbstoffes. |
CH236936D CH236936A (de) | 1941-02-18 | 1942-10-30 | Verfahren zur Herstellung eines Disazofarbstoffes. |
CH236929D CH236929A (de) | 1941-02-18 | 1942-10-30 | Verfahren zur herstellung eines Disazofarbstoffes. |
CH236927D CH236927A (de) | 1941-02-18 | 1942-10-30 | Verfahren zur Herstellung eines Disazofarbstoffes. |
CH236935D CH236935A (de) | 1941-02-18 | 1942-10-30 | Verfahren zur Herstellung eines Disazofarbstoffes. |
CH241347D CH241347A (de) | 1941-02-18 | 1942-10-30 | Verfahren zur Herstellung eines Disazofarbstoffes. |
CH236926D CH236926A (de) | 1941-02-18 | 1942-10-30 | Verfahren zur Herstellung eines Disazofarbstoffes. |
CH236930D CH236930A (de) | 1941-02-18 | 1942-10-30 | Verfahren zur Herstellung eines Disazofarbstoffes. |
CH236932D CH236932A (de) | 1941-02-18 | 1942-10-30 | Verfahren zur Herstellung eines Disazofarbstoffes. |
CH236931D CH236931A (de) | 1941-02-18 | 1942-10-30 | Verfahren zur Herstellung eines Disazofarbstoffes. |
CH236934D CH236934A (de) | 1941-02-18 | 1942-10-30 | Verfahren zur Herstellung eines Disazofarbstoffes. |
CH236937D CH236937A (de) | 1941-02-18 | 1942-10-30 | Verfahren zur Herstellung eines Disazofarbstoffes. |
CH236928D CH236928A (de) | 1941-02-18 | 1942-10-30 | Verfahren zur Herstellung eines Disazofarbstoffes. |
CH236933D CH236933A (de) | 1941-02-18 | 1942-10-30 | Verfahren zur Herstellung eines Disazofarbstoffes. |
Country Status (7)
Country | Link |
---|---|
US (4) | US2439153A (de) |
BE (3) | BE444536A (de) |
CH (38) | CH232508A (de) |
DE (1) | DE751343C (de) |
FR (3) | FR888245A (de) |
GB (4) | GB609299A (de) |
NL (4) | NL61609C (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2476261A (en) * | 1946-04-11 | 1949-07-12 | Ciba Ltd | Process for the manufacture of asymmetrical polyazo-dyestuffs |
US2476260A (en) * | 1946-04-11 | 1949-07-12 | Ciba Ltd | Process for the manufacture of disazo-dyestuffs |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2820783A (en) * | 1958-01-21 | Foreign | ||
US2637723A (en) * | 1953-05-05 | Disazo dyestuffs contalgmd | ||
US2557057A (en) * | 1943-12-20 | 1951-06-12 | Ciba Ltd | Disazo dyestuff |
NL74670C (de) * | 1946-03-08 | |||
US2475265A (en) * | 1946-04-23 | 1949-07-05 | Ciba Ltd | Process for carrying out coupling reactions |
US2536957A (en) * | 1946-10-17 | 1951-01-02 | Ciba Ltd | Process of making metalliferous azo dyestuffs |
US2590346A (en) * | 1947-06-26 | 1952-03-25 | Ciba Ltd | Cupriferous disazo-dyestuffs |
US2612496A (en) * | 1948-04-02 | 1952-09-30 | Gaspar | Acid azo dyes |
BE488200A (de) * | 1948-04-02 | |||
US2584935A (en) * | 1949-02-04 | 1952-02-05 | Gen Aniline & Film Corp | Unsymmetrical disazo dyestuffs |
US2644814A (en) * | 1950-01-20 | 1953-07-07 | Hoechst Ag | Water-insoluble monoazodyestuffs |
US2630431A (en) * | 1951-02-24 | 1953-03-03 | Du Pont | Metallized disazo dyes |
NL83316C (de) * | 1952-04-10 | |||
US2769806A (en) * | 1952-04-10 | 1956-11-06 | Ciba Ltd | Disazo-dyestuffs |
US2793205A (en) * | 1952-11-28 | 1957-05-21 | Ciba Ltd | Disazo-dyestuffs |
US2816102A (en) * | 1953-02-12 | 1957-12-10 | Ciba Ltd | Metalliferous azo dyestuffs |
US2809963A (en) * | 1954-10-26 | 1957-10-15 | Ciba Ltd | Azo-dyestuffs |
US2886562A (en) * | 1955-08-11 | 1959-05-12 | Bayer Ag | Disazo dyestuffs |
DE1075766B (de) * | 1956-08-02 | 1960-02-18 | J. R. Geigy A.-G. Basel (Schweiz) | Verfahren zur Herstellung metallisierbarer Polyazofarbstoffe und ihrer Kupferkomplexverbindungen |
CH437589A (de) * | 1963-11-08 | 1967-06-15 | Durand & Huguenin Ag | Verfahren zur Herstellung von wasserlöslichen metallisierbaren Disazofarbstoffen |
DE2451257C3 (de) * | 1974-10-29 | 1979-05-10 | Bayer Ag, 5090 Leverkusen | Verfahren zur Herstellung von konzentrierten Farbstofflösungen und Verfahren zum Färben |
CH663027A5 (de) * | 1985-01-08 | 1987-11-13 | Ciba Geigy Ag | Verfahren zur herstellung von metallisierbaren azofarbstoffen. |
CN1483063A (zh) * | 2000-12-28 | 2004-03-17 | �������⻯ѧƷ�ع�����˾ | 用于纸张染色的双偶氮染料及其铜络合物 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2036159A (en) * | 1936-03-31 | Manufacture of new azo dye stuff | ||
GB190916092A (en) * | 1907-10-10 | 1910-08-09 | Antoine Miltiade Mille | Improvements in Automatic Lubricators. |
FR20186E (fr) * | 1915-06-19 | 1917-01-25 | Soc Ind Chimique Bale | Production de colorants orthooxyazoiques substantifs et leur transformation en combinaisons cuivrées en substance ou sur la fibre |
FR481190A (fr) * | 1915-06-19 | 1916-11-08 | Soc Ind Chimique Bale | Production de colorants orthooxyazoiques substantifs et leur transformation en combinaisons cuivrées en substance ou sur la fibre |
US1210751A (en) * | 1915-10-08 | 1917-01-02 | Chem Ind Basel | Substantive orthooxyazo dyestuffs and a process of making same. |
GB102881A (en) * | 1916-05-13 | 1917-01-04 | Oliver Imray | Manufacture of New, Direct-dyeing Ortho-oxy-azo-dyestuffs. |
US1889732A (en) * | 1930-03-11 | 1932-11-29 | Gen Aniline Works Inc | Copper containing disazodyestuffs |
GB352956A (en) * | 1930-04-14 | 1931-07-14 | Ig Farbenindustrie Ag | Process for the manufacture of substantive dyeing disazo dyestuffs containing copper |
US1921337A (en) * | 1931-09-21 | 1933-08-08 | Gen Aniline Works Inc | Copper-containing azodyestuff |
GB410192A (en) * | 1931-11-13 | 1934-05-14 | Ig Farbenindustrie Ag | Process for the manufacture of azo-dyestuffs |
CH163896A (de) * | 1931-11-13 | 1933-09-15 | Ig Farbenindustrie Ag | Verfahren zur Herstellung eines o-Oxyazofarbstoffes. |
FR842972A (fr) * | 1937-09-07 | 1939-06-22 | Ig Farbenindustrie Ag | Colorants azoïques et leur procédé de production |
US2241796A (en) * | 1938-05-30 | 1941-05-13 | Gen Aniline & Film Corp | Azo dyestuffs |
-
0
- BE BE453075D patent/BE453075A/xx unknown
-
1941
- 1941-02-18 CH CH232508D patent/CH232508A/de unknown
- 1941-02-18 CH CH232509D patent/CH232509A/de unknown
- 1941-02-18 CH CH232505D patent/CH232505A/de unknown
- 1941-02-18 CH CH232504D patent/CH232504A/de unknown
- 1941-02-18 CH CH231843D patent/CH231843A/de unknown
- 1941-02-18 CH CH229184D patent/CH229184A/de unknown
- 1941-02-18 CH CH232506D patent/CH232506A/de unknown
- 1941-02-18 CH CH232503D patent/CH232503A/de unknown
- 1941-02-18 CH CH233083D patent/CH233083A/de unknown
-
1942
- 1942-02-02 CH CH246422D patent/CH246422A/de unknown
- 1942-02-02 CH CH257015D patent/CH257015A/de unknown
- 1942-02-02 CH CH257016D patent/CH257016A/de unknown
- 1942-02-03 CH CH241346D patent/CH241346A/de unknown
- 1942-02-03 CH CH236925D patent/CH236925A/de unknown
- 1942-02-03 CH CH238264D patent/CH238264A/de unknown
- 1942-02-05 CH CH257020D patent/CH257020A/de unknown
- 1942-02-05 CH CH257013D patent/CH257013A/de unknown
- 1942-02-05 CH CH257019D patent/CH257019A/de unknown
- 1942-02-05 CH CH257014D patent/CH257014A/de unknown
- 1942-02-05 CH CH246423D patent/CH246423A/de unknown
- 1942-02-05 CH CH257012D patent/CH257012A/de unknown
- 1942-02-05 CH CH257010D patent/CH257010A/de unknown
- 1942-02-05 CH CH257011D patent/CH257011A/de unknown
- 1942-02-05 CH CH257009D patent/CH257009A/de unknown
- 1942-02-14 FR FR888245D patent/FR888245A/fr not_active Expired
- 1942-02-14 DE DEG104868D patent/DE751343C/de not_active Expired
- 1942-02-16 FR FR888249D patent/FR888249A/fr not_active Expired
- 1942-02-18 BE BE444536D patent/BE444536A/xx unknown
- 1942-02-18 BE BE444535D patent/BE444535A/xx unknown
- 1942-02-18 GB GB2155/42A patent/GB609299A/en not_active Expired
- 1942-02-23 GB GB2370/42A patent/GB609300A/en not_active Expired
- 1942-02-24 GB GB2438/42A patent/GB609302A/en not_active Expired
- 1942-03-17 NL NL105168A patent/NL61609C/xx active
- 1942-03-17 NL NL105166A patent/NL61608C/xx active
- 1942-03-17 NL NL105167A patent/NL61326C/xx active
- 1942-10-30 CH CH236938D patent/CH236938A/de unknown
- 1942-10-30 CH CH236936D patent/CH236936A/de unknown
- 1942-10-30 CH CH236929D patent/CH236929A/de unknown
- 1942-10-30 CH CH236927D patent/CH236927A/de unknown
- 1942-10-30 CH CH236935D patent/CH236935A/de unknown
- 1942-10-30 CH CH241347D patent/CH241347A/de unknown
- 1942-10-30 CH CH236926D patent/CH236926A/de unknown
- 1942-10-30 CH CH236930D patent/CH236930A/de unknown
- 1942-10-30 CH CH236932D patent/CH236932A/de unknown
- 1942-10-30 CH CH236931D patent/CH236931A/de unknown
- 1942-10-30 CH CH236934D patent/CH236934A/de unknown
- 1942-10-30 CH CH236937D patent/CH236937A/de unknown
- 1942-10-30 CH CH236928D patent/CH236928A/de unknown
- 1942-10-30 CH CH236933D patent/CH236933A/de unknown
-
1943
- 1943-08-16 US US498885A patent/US2439153A/en not_active Expired - Lifetime
- 1943-08-16 US US498884A patent/US2426977A/en not_active Expired - Lifetime
- 1943-08-16 US US498883A patent/US2427537A/en not_active Expired - Lifetime
- 1943-08-16 US US498886A patent/US2424066A/en not_active Expired - Lifetime
- 1943-10-27 GB GB17711/43A patent/GB616155A/en not_active Expired
- 1943-10-28 NL NL113722A patent/NL62314C/xx active
- 1943-10-28 FR FR899230D patent/FR899230A/fr not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2476261A (en) * | 1946-04-11 | 1949-07-12 | Ciba Ltd | Process for the manufacture of asymmetrical polyazo-dyestuffs |
US2476260A (en) * | 1946-04-11 | 1949-07-12 | Ciba Ltd | Process for the manufacture of disazo-dyestuffs |
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