NL7211650A - - Google Patents
Info
- Publication number
- NL7211650A NL7211650A NL7211650A NL7211650A NL7211650A NL 7211650 A NL7211650 A NL 7211650A NL 7211650 A NL7211650 A NL 7211650A NL 7211650 A NL7211650 A NL 7211650A NL 7211650 A NL7211650 A NL 7211650A
- Authority
- NL
- Netherlands
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
- C07D307/77—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom ortho- or peri-condensed with carbocyclic rings or ring systems
- C07D307/87—Benzo [c] furans; Hydrogenated benzo [c] furans
- C07D307/88—Benzo [c] furans; Hydrogenated benzo [c] furans with one oxygen atom directly attached in position 1 or 3
- C07D307/885—3,3-Diphenylphthalides
-
- 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
- C09B11/00—Diaryl- or thriarylmethane dyes
- C09B11/04—Diaryl- or thriarylmethane dyes derived from triarylmethanes, i.e. central C-atom is substituted by amino, cyano, alkyl
- C09B11/10—Amino derivatives of triarylmethanes
- C09B11/24—Phthaleins containing amino groups ; Phthalanes; Fluoranes; Phthalides; Rhodamine dyes; Phthaleins having heterocyclic aryl rings; Lactone or lactame forms of triarylmethane dyes
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Heat Sensitive Colour Forming Recording (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US17629671A | 1971-08-30 | 1971-08-30 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| NL7211650A true NL7211650A (en) | 1973-03-02 |
| NL175190B NL175190B (en) | 1984-05-01 |
| NL175190C NL175190C (en) | 1984-10-01 |
Family
ID=22643782
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NLAANVRAGE7211650,A NL175190C (en) | 1971-08-30 | 1972-08-25 | PROCESS FOR THE PREPARATION OF FLUORANES. |
Country Status (15)
| Country | Link |
|---|---|
| JP (1) | JPS5638619B2 (en) |
| AT (1) | AT315825B (en) |
| AU (1) | AU454455B2 (en) |
| BE (1) | BE788073A (en) |
| CA (1) | CA968361A (en) |
| CH (1) | CH596214A5 (en) |
| DE (1) | DE2242005C2 (en) |
| DK (1) | DK143654C (en) |
| ES (1) | ES406170A1 (en) |
| FR (1) | FR2150854B1 (en) |
| GB (1) | GB1338851A (en) |
| IT (1) | IT964084B (en) |
| NL (1) | NL175190C (en) |
| SE (1) | SE386678B (en) |
| ZA (1) | ZA725407B (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5119411B1 (en) * | 1971-03-25 | 1976-06-17 | ||
| JPS5120330B2 (en) * | 1972-07-15 | 1976-06-24 | ||
| JPS6025275B2 (en) * | 1977-06-13 | 1985-06-17 | 山田化学工業株式会社 | heat sensitive recording material |
| JPS55123651A (en) * | 1979-03-19 | 1980-09-24 | Mitsubishi Paper Mills Ltd | Preparation of fluoran compound |
| US4414399A (en) | 1979-05-14 | 1983-11-08 | Sterling Drug Inc. | 5/6 Carboxyphthalides |
| US4515971A (en) * | 1980-03-31 | 1985-05-07 | Hilton-Davis Chemical Co. | 5'/6'-Carboxyfluorans and derivatives thereof |
| JPS6053069B2 (en) * | 1980-09-17 | 1985-11-22 | 保土谷化学工業株式会社 | Fluoran compounds |
| EP0176161A1 (en) * | 1984-08-24 | 1986-04-02 | Taoka Chemical Co., Ltd | Novel fluoran compounds and production and use thereof |
| JPH0662864B2 (en) * | 1989-12-25 | 1994-08-17 | 山本化成株式会社 | Process for producing 3-dibutylamino-6-methyl-7-anilinofluorane |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IE34290B1 (en) * | 1969-05-22 | 1975-04-02 | Fuji Photo Film Co Ltd | Process for preparation of fluoran compounds |
-
1972
- 1972-06-16 CA CA144,963A patent/CA968361A/en not_active Expired
- 1972-08-07 ZA ZA725407A patent/ZA725407B/en unknown
- 1972-08-10 AU AU45455/72A patent/AU454455B2/en not_active Expired
- 1972-08-16 GB GB3813372A patent/GB1338851A/en not_active Expired
- 1972-08-18 IT IT28301/72A patent/IT964084B/en active
- 1972-08-18 JP JP8266872A patent/JPS5638619B2/ja not_active Expired
- 1972-08-22 ES ES406170A patent/ES406170A1/en not_active Expired
- 1972-08-25 FR FR727230272A patent/FR2150854B1/fr not_active Expired
- 1972-08-25 NL NLAANVRAGE7211650,A patent/NL175190C/en not_active IP Right Cessation
- 1972-08-26 DE DE2242005A patent/DE2242005C2/en not_active Expired
- 1972-08-28 SE SE7211109A patent/SE386678B/en unknown
- 1972-08-28 BE BE788073A patent/BE788073A/en not_active IP Right Cessation
- 1972-08-29 DK DK426272A patent/DK143654C/en not_active IP Right Cessation
- 1972-08-30 CH CH1277672A patent/CH596214A5/xx not_active IP Right Cessation
- 1972-08-30 AT AT745172A patent/AT315825B/en not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| DE2242005A1 (en) | 1973-03-15 |
| NL175190C (en) | 1984-10-01 |
| CH596214A5 (en) | 1978-03-15 |
| DK143654B (en) | 1981-09-21 |
| FR2150854A1 (en) | 1973-04-13 |
| CA968361A (en) | 1975-05-27 |
| AU454455B2 (en) | 1974-10-31 |
| IT964084B (en) | 1974-01-21 |
| ES406170A1 (en) | 1975-09-16 |
| BE788073A (en) | 1972-12-18 |
| DE2242005C2 (en) | 1984-05-10 |
| JPS4834932A (en) | 1973-05-23 |
| GB1338851A (en) | 1973-11-28 |
| AT315825B (en) | 1974-06-10 |
| SE386678B (en) | 1976-08-16 |
| FR2150854B1 (en) | 1979-02-09 |
| AU4545572A (en) | 1974-02-14 |
| JPS5638619B2 (en) | 1981-09-08 |
| NL175190B (en) | 1984-05-01 |
| DK143654C (en) | 1982-03-08 |
| ZA725407B (en) | 1973-04-25 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| BC | A request for examination has been filed | ||
| CNR | Transfer of rights (patent application after its laying open for public inspection) |
Free format text: APPLETON PAPERS INC. |
|
| CNR | Transfer of rights (patent application after its laying open for public inspection) |
Free format text: MONTEIL COSMETIQUES CORPORATION. GERMAINE - |
|
| DNT | Communications of changes of names of applicants whose applications have been laid open to public inspection |
Free format text: APPLETON PAPERS INC. |
|
| V2 | Lapsed due to non-payment of the last due maintenance fee for the patent application |