DE2154995A1 - Polyazofarbstoffe - Google Patents
PolyazofarbstoffeInfo
- Publication number
- DE2154995A1 DE2154995A1 DE19712154995 DE2154995A DE2154995A1 DE 2154995 A1 DE2154995 A1 DE 2154995A1 DE 19712154995 DE19712154995 DE 19712154995 DE 2154995 A DE2154995 A DE 2154995A DE 2154995 A1 DE2154995 A1 DE 2154995A1
- Authority
- DE
- Germany
- Prior art keywords
- acid
- dyes
- formula
- hydroxynaphthalene
- amino
- 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.)
- Pending
Links
- -1 POLYAZO Polymers 0.000 title claims description 37
- 239000000975 dye Substances 0.000 title claims description 26
- 239000002253 acid Substances 0.000 claims description 28
- 230000008878 coupling Effects 0.000 claims description 23
- 238000010168 coupling process Methods 0.000 claims description 23
- 238000005859 coupling reaction Methods 0.000 claims description 23
- 238000004043 dyeing Methods 0.000 claims description 9
- 125000001424 substituent group Chemical group 0.000 claims description 8
- 150000002790 naphthalenes Chemical class 0.000 claims description 4
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 3
- 229920002994 synthetic fiber Polymers 0.000 claims description 3
- 125000003368 amide group Chemical group 0.000 claims description 2
- 150000001875 compounds Chemical class 0.000 claims description 2
- 238000000034 method Methods 0.000 claims description 2
- 239000002657 fibrous material Substances 0.000 claims 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- 230000002378 acidificating effect Effects 0.000 description 8
- HBZVNWNSRNTWPS-UHFFFAOYSA-N 6-amino-4-hydroxynaphthalene-2-sulfonic acid Chemical compound C1=C(S(O)(=O)=O)C=C(O)C2=CC(N)=CC=C21 HBZVNWNSRNTWPS-UHFFFAOYSA-N 0.000 description 7
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 6
- 239000000460 chlorine Substances 0.000 description 6
- 239000000243 solution Substances 0.000 description 6
- KYARBIJYVGJZLB-UHFFFAOYSA-N 7-amino-4-hydroxy-2-naphthalenesulfonic acid Chemical compound OC1=CC(S(O)(=O)=O)=CC2=CC(N)=CC=C21 KYARBIJYVGJZLB-UHFFFAOYSA-N 0.000 description 5
- 229920000742 Cotton Polymers 0.000 description 5
- 125000003047 N-acetyl group Chemical group 0.000 description 5
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 5
- 239000004202 carbamide Substances 0.000 description 5
- 229910052801 chlorine Inorganic materials 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- KJCVRFUGPWSIIH-UHFFFAOYSA-N 1-naphthol Chemical compound C1=CC=C2C(O)=CC=CC2=C1 KJCVRFUGPWSIIH-UHFFFAOYSA-N 0.000 description 4
- JWAZRIHNYRIHIV-UHFFFAOYSA-N 2-naphthol Chemical compound C1=CC=CC2=CC(O)=CC=C21 JWAZRIHNYRIHIV-UHFFFAOYSA-N 0.000 description 4
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 4
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 4
- JRBJSXQPQWSCCF-UHFFFAOYSA-N 3,3'-Dimethoxybenzidine Chemical compound C1=C(N)C(OC)=CC(C=2C=C(OC)C(N)=CC=2)=C1 JRBJSXQPQWSCCF-UHFFFAOYSA-N 0.000 description 3
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 3
- 239000003929 acidic solution Substances 0.000 description 3
- 239000001045 blue dye Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 3
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 3
- HIVUAOXLSJITPA-UHFFFAOYSA-N 2-amino-5-hydroxynaphthalene-1,7-disulfonic acid Chemical compound OC1=CC(S(O)(=O)=O)=CC2=C(S(O)(=O)=O)C(N)=CC=C21 HIVUAOXLSJITPA-UHFFFAOYSA-N 0.000 description 2
- CXYMDAXGGAITQP-UHFFFAOYSA-N 2-hydroxy-n-phenylnaphthalene-1-carboxamide Chemical compound OC1=CC=C2C=CC=CC2=C1C(=O)NC1=CC=CC=C1 CXYMDAXGGAITQP-UHFFFAOYSA-N 0.000 description 2
- NWYPJANFHLUNFH-UHFFFAOYSA-N 7-amino-3-hydroxynaphthalene-1-sulfonic acid Chemical compound C1=C(O)C=C(S(O)(=O)=O)C2=CC(N)=CC=C21 NWYPJANFHLUNFH-UHFFFAOYSA-N 0.000 description 2
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 125000004442 acylamino group Chemical group 0.000 description 2
- 125000003545 alkoxy group Chemical group 0.000 description 2
- 125000003118 aryl group Chemical group 0.000 description 2
- 229950011260 betanaphthol Drugs 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 229910052736 halogen Inorganic materials 0.000 description 2
- 150000002367 halogens Chemical class 0.000 description 2
- 239000010985 leather Substances 0.000 description 2
- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- PNZAMVBUKAWIFF-UHFFFAOYSA-N 2-amino-8-hydroxynaphthalene-1-sulfonic acid Chemical class C1=CC=C(O)C2=C(S(O)(=O)=O)C(N)=CC=C21 PNZAMVBUKAWIFF-UHFFFAOYSA-N 0.000 description 1
- UPHOPMSGKZNELG-UHFFFAOYSA-N 2-hydroxynaphthalene-1-carboxylic acid Chemical compound C1=CC=C2C(C(=O)O)=C(O)C=CC2=C1 UPHOPMSGKZNELG-UHFFFAOYSA-N 0.000 description 1
- OSMGXVYQXULYMJ-UHFFFAOYSA-N 3,5-dihydroxynaphthalene-2,7-disulfonic acid Chemical compound C1=C(S(O)(=O)=O)C=C2C=C(S(O)(=O)=O)C(O)=CC2=C1O OSMGXVYQXULYMJ-UHFFFAOYSA-N 0.000 description 1
- OBEQWTGDHGJFQR-UHFFFAOYSA-N 3-acetamido-5-hydroxynaphthalene-2,7-disulfonic acid Chemical compound C1=C(S(O)(=O)=O)C=C2C=C(S(O)(=O)=O)C(NC(=O)C)=CC2=C1O OBEQWTGDHGJFQR-UHFFFAOYSA-N 0.000 description 1
- RRCJDKMIIYLNMN-UHFFFAOYSA-N 3-amino-5-hydroxynaphthalene-1-sulfonic acid Chemical compound C1=CC=C(O)C2=CC(N)=CC(S(O)(=O)=O)=C21 RRCJDKMIIYLNMN-UHFFFAOYSA-N 0.000 description 1
- VNWVMZDJPMCAKD-UHFFFAOYSA-N 3-amino-5-hydroxynaphthalene-2,7-disulfonic acid Chemical compound C1=C(S(O)(=O)=O)C=C2C=C(S(O)(=O)=O)C(N)=CC2=C1O VNWVMZDJPMCAKD-UHFFFAOYSA-N 0.000 description 1
- LYHAPFBXMNSTEZ-UHFFFAOYSA-N 3-amino-8-hydroxynaphthalene-1,5-disulfonic acid Chemical compound OC1=CC=C(S(O)(=O)=O)C2=CC(N)=CC(S(O)(=O)=O)=C21 LYHAPFBXMNSTEZ-UHFFFAOYSA-N 0.000 description 1
- ZUQOBHTUMCEQBG-UHFFFAOYSA-N 4-amino-5-hydroxynaphthalene-1,7-disulfonic acid Chemical compound OS(=O)(=O)C1=CC(O)=C2C(N)=CC=C(S(O)(=O)=O)C2=C1 ZUQOBHTUMCEQBG-UHFFFAOYSA-N 0.000 description 1
- NGRYSCJUFBVWTA-UHFFFAOYSA-N 4-amino-6-hydroxynaphthalene-2-sulfonic acid Chemical compound C1=C(O)C=C2C(N)=CC(S(O)(=O)=O)=CC2=C1 NGRYSCJUFBVWTA-UHFFFAOYSA-N 0.000 description 1
- PGAVDCUYQQGYAK-UHFFFAOYSA-N 4-chloro-5-hydroxynaphthalene-2,7-disulfonic acid Chemical compound OS(=O)(=O)C1=CC(Cl)=C2C(O)=CC(S(O)(=O)=O)=CC2=C1 PGAVDCUYQQGYAK-UHFFFAOYSA-N 0.000 description 1
- 125000004172 4-methoxyphenyl group Chemical group [H]C1=C([H])C(OC([H])([H])[H])=C([H])C([H])=C1* 0.000 description 1
- NWGAZJKRHMBSCV-UHFFFAOYSA-N 6-amino-4-hydroxynaphthalene-1-sulfonic acid Chemical compound OS(=O)(=O)C1=CC=C(O)C2=CC(N)=CC=C21 NWGAZJKRHMBSCV-UHFFFAOYSA-N 0.000 description 1
- QEAYLNJEDDOYNQ-UHFFFAOYSA-N 6-anilino-4-hydroxynaphthalene-2-sulfonic acid Chemical compound C1=C2C(O)=CC(S(O)(=O)=O)=CC2=CC=C1NC1=CC=CC=C1 QEAYLNJEDDOYNQ-UHFFFAOYSA-N 0.000 description 1
- ZLHGMJOGMLVDFS-UHFFFAOYSA-N 7-benzamido-4-hydroxynaphthalene-2-sulfonic acid Chemical compound C=1C=C2C(O)=CC(S(O)(=O)=O)=CC2=CC=1NC(=O)C1=CC=CC=C1 ZLHGMJOGMLVDFS-UHFFFAOYSA-N 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- FJSKSYVNULWVAZ-XTQSDGFTSA-N Jubanine B Chemical compound O=C1N\C=C\C(=C2)C(OC)=CC=C2OC2CCN(C(=O)C(CC=3C=CC=CC=3)NC(=O)C(CC=3C=CC=CC=3)N(C)C)C2C(=O)NC1CC1=CC=CC=C1 FJSKSYVNULWVAZ-XTQSDGFTSA-N 0.000 description 1
- IOVCWXUNBOPUCH-UHFFFAOYSA-N Nitrous acid Chemical compound ON=O IOVCWXUNBOPUCH-UHFFFAOYSA-N 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 229920001131 Pulp (paper) Polymers 0.000 description 1
- VMHLLURERBWHNL-UHFFFAOYSA-M Sodium acetate Chemical compound [Na+].CC([O-])=O VMHLLURERBWHNL-UHFFFAOYSA-M 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 125000000738 acetamido group Chemical group [H]C([H])([H])C(=O)N([H])[*] 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 150000001447 alkali salts Chemical class 0.000 description 1
- 150000005215 alkyl ethers Chemical class 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- 125000006598 aminocarbonylamino group Chemical group 0.000 description 1
- 150000003863 ammonium salts Chemical class 0.000 description 1
- 229940051881 anilide analgesics and antipyretics Drugs 0.000 description 1
- 150000003931 anilides Chemical group 0.000 description 1
- 150000001448 anilines Chemical class 0.000 description 1
- 125000004658 aryl carbonyl amino group Chemical group 0.000 description 1
- 125000004657 aryl sulfonyl amino group Chemical group 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- UHOVQNZJYSORNB-UHFFFAOYSA-N benzene Substances C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 1
- 125000003236 benzoyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C(*)=O 0.000 description 1
- 125000003917 carbamoyl group Chemical group [H]N([H])C(*)=O 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000012954 diazonium Substances 0.000 description 1
- 125000001301 ethoxy group Chemical group [H]C([H])([H])C([H])([H])O* 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- NYGZLYXAPMMJTE-UHFFFAOYSA-M metanil yellow Chemical group [Na+].[O-]S(=O)(=O)C1=CC=CC(N=NC=2C=CC(NC=3C=CC=CC=3)=CC=2)=C1 NYGZLYXAPMMJTE-UHFFFAOYSA-M 0.000 description 1
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 description 1
- 125000001037 p-tolyl group Chemical group [H]C1=C([H])C(=C([H])C([H])=C1*)C([H])([H])[H] 0.000 description 1
- 239000000123 paper Substances 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- 125000003170 phenylsulfonyl group Chemical group C1(=CC=CC=C1)S(=O)(=O)* 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000004627 regenerated cellulose Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000001632 sodium acetate Substances 0.000 description 1
- 235000017281 sodium acetate Nutrition 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 125000000020 sulfo group Chemical group O=S(=O)([*])O[H] 0.000 description 1
- 239000012209 synthetic fiber Substances 0.000 description 1
- 125000005147 toluenesulfonyl group Chemical group C=1(C(=CC=CC1)S(=O)(=O)*)C 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
- 210000002268 wool Anatomy 0.000 description 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
- C09B35/00—Disazo and polyazo dyes of the type A<-D->B prepared by diazotising and coupling
-
- 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
- C09B35/20—Disazo dyes characterised by the tetrazo component the tetrazo component being a derivative of biphenyl from two coupling compounds of different types
-
- 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
- C09B35/38—Trisazo dyes ot the type
- C09B35/44—Trisazo dyes ot the type the component K being a hydroxy amine
- C09B35/46—Trisazo dyes ot the type the component K being a hydroxy amine the component K being an amino naphthol
- C09B35/463—D being derived from diaminodiphenyl
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Coloring (AREA)
Priority Applications (8)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BE790795D BE790795A (fr) | 1971-11-05 | Colorants polyazoiques | |
| DE19712154995 DE2154995A1 (de) | 1971-11-05 | 1971-11-05 | Polyazofarbstoffe |
| JP10857172A JPS4855216A (enrdf_load_stackoverflow) | 1971-11-05 | 1972-10-31 | |
| FR7239044A FR2158520B1 (enrdf_load_stackoverflow) | 1971-11-05 | 1972-11-03 | |
| NL7214914A NL7214914A (enrdf_load_stackoverflow) | 1971-11-05 | 1972-11-03 | |
| GB5081772A GB1368563A (en) | 1971-11-05 | 1972-11-03 | Disazo and polyazo dyestuffs |
| CH196275A CH561761A5 (enrdf_load_stackoverflow) | 1971-11-05 | 1972-11-03 | |
| IT3131072A IT980973B (it) | 1971-11-05 | 1972-11-03 | Poliazocoloranti |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19712154995 DE2154995A1 (de) | 1971-11-05 | 1971-11-05 | Polyazofarbstoffe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2154995A1 true DE2154995A1 (de) | 1973-05-10 |
Family
ID=5824274
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19712154995 Pending DE2154995A1 (de) | 1971-11-05 | 1971-11-05 | Polyazofarbstoffe |
Country Status (8)
| Country | Link |
|---|---|
| JP (1) | JPS4855216A (enrdf_load_stackoverflow) |
| BE (1) | BE790795A (enrdf_load_stackoverflow) |
| CH (1) | CH561761A5 (enrdf_load_stackoverflow) |
| DE (1) | DE2154995A1 (enrdf_load_stackoverflow) |
| FR (1) | FR2158520B1 (enrdf_load_stackoverflow) |
| GB (1) | GB1368563A (enrdf_load_stackoverflow) |
| IT (1) | IT980973B (enrdf_load_stackoverflow) |
| NL (1) | NL7214914A (enrdf_load_stackoverflow) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20030064892A (ko) * | 2000-12-28 | 2003-08-02 | 시바 스페셜티 케미칼스 홀딩 인크. | 종이를 염색하기 위한 디스아조 염료 및 이의 구리 착물 |
-
0
- BE BE790795D patent/BE790795A/xx unknown
-
1971
- 1971-11-05 DE DE19712154995 patent/DE2154995A1/de active Pending
-
1972
- 1972-10-31 JP JP10857172A patent/JPS4855216A/ja active Pending
- 1972-11-03 NL NL7214914A patent/NL7214914A/xx unknown
- 1972-11-03 FR FR7239044A patent/FR2158520B1/fr not_active Expired
- 1972-11-03 CH CH196275A patent/CH561761A5/xx not_active IP Right Cessation
- 1972-11-03 IT IT3131072A patent/IT980973B/it active
- 1972-11-03 GB GB5081772A patent/GB1368563A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| IT980973B (it) | 1974-10-10 |
| JPS4855216A (enrdf_load_stackoverflow) | 1973-08-03 |
| GB1368563A (en) | 1974-10-02 |
| CH561761A5 (enrdf_load_stackoverflow) | 1975-05-15 |
| NL7214914A (enrdf_load_stackoverflow) | 1973-05-08 |
| FR2158520A1 (enrdf_load_stackoverflow) | 1973-06-15 |
| FR2158520B1 (enrdf_load_stackoverflow) | 1977-01-14 |
| BE790795A (fr) | 1973-04-30 |
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