GB939906A - Photographic layers suitable for the silver dyestuff bleaching process - Google Patents
Photographic layers suitable for the silver dyestuff bleaching processInfo
- Publication number
- GB939906A GB939906A GB19709/62A GB1970962A GB939906A GB 939906 A GB939906 A GB 939906A GB 19709/62 A GB19709/62 A GB 19709/62A GB 1970962 A GB1970962 A GB 1970962A GB 939906 A GB939906 A GB 939906A
- Authority
- GB
- United Kingdom
- Prior art keywords
- acids
- groups
- sulphonic
- bleaching process
- photographic layers
- 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.)
- Expired
Links
- 239000000975 dye Substances 0.000 title abstract 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 title 1
- 238000004061 bleaching Methods 0.000 title 1
- 238000000034 method Methods 0.000 title 1
- 229910052709 silver Inorganic materials 0.000 title 1
- 239000004332 silver Substances 0.000 title 1
- 239000002253 acid Substances 0.000 abstract 5
- 150000007513 acids Chemical class 0.000 abstract 4
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 abstract 2
- 125000000217 alkyl group Chemical group 0.000 abstract 2
- 125000003277 amino group Chemical group 0.000 abstract 2
- BDHFUVZGWQCTTF-UHFFFAOYSA-N sulfonic acid Chemical group OS(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-N 0.000 abstract 2
- QLNUJTFSBXIOHA-UHFFFAOYSA-N 1-amino-8-hydroxy-2h-naphthalene-1-sulfonic acid Chemical class C1=CC(O)=C2C(N)(S(O)(=O)=O)CC=CC2=C1 QLNUJTFSBXIOHA-UHFFFAOYSA-N 0.000 abstract 1
- 125000002777 acetyl group Chemical group [H]C([H])([H])C(*)=O 0.000 abstract 1
- 125000003236 benzoyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C(*)=O 0.000 abstract 1
- -1 chloro benzoyl groups Chemical group 0.000 abstract 1
- 230000008878 coupling Effects 0.000 abstract 1
- 238000010168 coupling process Methods 0.000 abstract 1
- 238000005859 coupling reaction Methods 0.000 abstract 1
- 125000000664 diazo group Chemical group [N-]=[N+]=[*] 0.000 abstract 1
- 125000002768 hydroxyalkyl group Chemical group 0.000 abstract 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 abstract 1
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
- C09B35/16—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
- C09B33/00—Disazo and polyazo dyes of the types A->K<-B, A->B->K<-C, or the like, prepared by diazotising and coupling
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Coloring (AREA)
- Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH629261A CH398309A (de) | 1961-05-30 | 1961-05-30 | Photographische Schicht für das Silberfarbbleichverfahren |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB939906A true GB939906A (en) | 1963-10-16 |
Family
ID=4307251
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB19709/62A Expired GB939906A (en) | 1961-05-30 | 1962-05-22 | Photographic layers suitable for the silver dyestuff bleaching process |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3259498A (en:Method) |
| CH (1) | CH398309A (en:Method) |
| DE (1) | DE1144592B (en:Method) |
| ES (1) | ES277792A1 (en:Method) |
| GB (1) | GB939906A (en:Method) |
| NL (1) | NL279064A (en:Method) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8979987B1 (en) * | 2012-04-06 | 2015-03-17 | Viscot Medical, Llc | Blue dye and methods of manufacture and use thereof |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB541073A (en) * | 1940-04-09 | 1941-11-12 | Eastman Kodak Co | Process of colour photography and materials therefor |
| BE488200A (en:Method) * | 1948-04-02 |
-
0
- NL NL279064D patent/NL279064A/xx unknown
-
1961
- 1961-05-30 CH CH629261A patent/CH398309A/de unknown
-
1962
- 1962-05-21 US US196432A patent/US3259498A/en not_active Expired - Lifetime
- 1962-05-22 GB GB19709/62A patent/GB939906A/en not_active Expired
- 1962-05-29 DE DEC27123A patent/DE1144592B/de active Pending
- 1962-05-29 ES ES277792A patent/ES277792A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CH398309A (de) | 1966-03-15 |
| DE1144592B (de) | 1963-02-28 |
| US3259498A (en) | 1966-07-05 |
| NL279064A (en:Method) | |
| ES277792A1 (es) | 1963-01-16 |
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