USB426266I5 - - Google Patents
Info
- Publication number
- USB426266I5 USB426266I5 US42626673A USB426266I5 US B426266 I5 USB426266 I5 US B426266I5 US 42626673 A US42626673 A US 42626673A US B426266 I5 USB426266 I5 US B426266I5
- Authority
- US
- United States
- 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
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
- C09B47/00—Porphines; Azaporphines
- C09B47/04—Phthalocyanines abbreviation: Pc
- C09B47/30—Metal-free phthalocyanines
-
- 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
- C09B47/00—Porphines; Azaporphines
- C09B47/04—Phthalocyanines abbreviation: Pc
- C09B47/06—Preparation from carboxylic acids or derivatives thereof, e.g. anhydrides, amides, mononitriles, phthalimide, o-cyanobenzamide
- C09B47/067—Preparation from carboxylic acids or derivatives thereof, e.g. anhydrides, amides, mononitriles, phthalimide, o-cyanobenzamide from phthalodinitriles naphthalenedinitriles, aromatic dinitriles prepared in situ, hydrogenated phthalodinitrile
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Nitrogen Condensed Heterocyclic Rings (AREA)
- Photoreceptors In Electrophotography (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH1900272A CH579131A5 (en) | 1972-12-28 | 1972-12-28 | |
| CH19002/72 | 1972-12-28 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| USB426266I5 true USB426266I5 (en) | 1976-03-02 |
| US3998839A US3998839A (en) | 1976-12-21 |
Family
ID=4436678
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US05/426,266 Expired - Lifetime US3998839A (en) | 1972-12-28 | 1973-12-19 | Process for the preparation of metal-free phthalocyanine |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US3998839A (en) |
| JP (1) | JPS50157417A (en) |
| AR (1) | AR200898A1 (en) |
| CA (1) | CA1010030A (en) |
| CH (1) | CH579131A5 (en) |
| DE (1) | DE2364689A1 (en) |
| DK (1) | DK137280B (en) |
| FR (1) | FR2212399B1 (en) |
| GB (1) | GB1410310A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5003522A (en) * | 1978-12-01 | 1991-03-26 | Dolby Ray Milton | Disc reproducing system for compensating mechanical imperfections |
| DE4137270A1 (en) * | 1991-11-13 | 1993-05-19 | Bayer Ag | METHOD FOR PRODUCING 1,2,3-TRICYANOBENZENE, PHTHALOCYANINES OBTAINED FROM 1,2,3-TRICYANOBENZENE AND THEIR USE AS PIGMENTS |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL80561C (en) * | 1951-02-06 | |||
| CH390434A (en) * | 1960-10-14 | 1965-04-15 | Geigy Ag J R | Process for the preparation of mixtures of alkali phthalocyanines and metal-free phthalocyanine |
-
1972
- 1972-12-28 CH CH1900272A patent/CH579131A5/xx not_active IP Right Cessation
-
1973
- 1973-11-28 DK DK642973AA patent/DK137280B/en unknown
- 1973-12-07 CA CA187,653A patent/CA1010030A/en not_active Expired
- 1973-12-19 US US05/426,266 patent/US3998839A/en not_active Expired - Lifetime
- 1973-12-26 AR AR251672A patent/AR200898A1/en active
- 1973-12-26 FR FR7346238A patent/FR2212399B1/fr not_active Expired
- 1973-12-27 JP JP49004739A patent/JPS50157417A/ja active Pending
- 1973-12-27 DE DE2364689A patent/DE2364689A1/en not_active Withdrawn
- 1973-12-27 GB GB5977173A patent/GB1410310A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| AR200898A1 (en) | 1974-12-27 |
| GB1410310A (en) | 1975-10-15 |
| FR2212399B1 (en) | 1976-10-08 |
| CH579131A5 (en) | 1976-08-31 |
| DK137280C (en) | 1978-07-17 |
| FR2212399A1 (en) | 1974-07-26 |
| DK137280B (en) | 1978-02-13 |
| DE2364689A1 (en) | 1974-09-05 |
| JPS50157417A (en) | 1975-12-19 |
| CA1010030A (en) | 1977-05-10 |
| US3998839A (en) | 1976-12-21 |