IT981920B - Composti del fluorano cromogenici - Google Patents
Composti del fluorano cromogeniciInfo
- Publication number
- IT981920B IT981920B IT2282073A IT2282073A IT981920B IT 981920 B IT981920 B IT 981920B IT 2282073 A IT2282073 A IT 2282073A IT 2282073 A IT2282073 A IT 2282073A IT 981920 B IT981920 B IT 981920B
- Authority
- IT
- Italy
- Prior art keywords
- chromogenic
- fluorane compounds
- fluorane
- compounds
- chromogenic fluorane
- Prior art date
Links
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical class F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 title 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
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/124—Duplicating or marking methods; Sheet materials for use therein using pressure to make a masked colour visible, e.g. to make a coloured support visible, to create an opaque or transparent pattern, or to form colour by uniting colour-forming components
- B41M5/132—Chemical colour-forming components; Additives or binders therefor
- B41M5/136—Organic colour formers, e.g. leuco dyes
- B41M5/145—Organic colour formers, e.g. leuco dyes with a lactone or lactam ring
- B41M5/1455—Organic colour formers, e.g. leuco dyes with a lactone or lactam ring characterised by fluoran compounds
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Color Printing (AREA)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US24387172A | 1972-04-13 | 1972-04-13 | |
| US34079973A | 1973-03-13 | 1973-03-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IT981920B true IT981920B (it) | 1974-10-10 |
Family
ID=26936161
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT2282073A IT981920B (it) | 1972-04-13 | 1973-04-10 | Composti del fluorano cromogenici |
Country Status (7)
| Country | Link |
|---|---|
| JP (1) | JPS5123203B2 (en, 2012) |
| BE (1) | BE798135A (en, 2012) |
| CA (1) | CA1010884A (en, 2012) |
| DE (1) | DE2318403B2 (en, 2012) |
| FR (1) | FR2180017B1 (en, 2012) |
| GB (1) | GB1386216A (en, 2012) |
| IT (1) | IT981920B (en, 2012) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54126405U (en, 2012) * | 1978-02-23 | 1979-09-04 | ||
| FR2693244B1 (fr) * | 1992-07-01 | 1994-08-05 | Valeo | Embrayage a friction pour vehicule automobile et diaphragme elastique pour un tel embrayage. |
| GB2424061A (en) * | 2005-03-07 | 2006-09-13 | John Richard Coxon | A ventilation device |
-
1973
- 1973-04-09 GB GB1686873A patent/GB1386216A/en not_active Expired
- 1973-04-10 IT IT2282073A patent/IT981920B/it active
- 1973-04-12 BE BE129942A patent/BE798135A/xx not_active IP Right Cessation
- 1973-04-12 JP JP48041760A patent/JPS5123203B2/ja not_active Expired
- 1973-04-12 CA CA168,559A patent/CA1010884A/en not_active Expired
- 1973-04-12 DE DE19732318403 patent/DE2318403B2/de active Granted
- 1973-04-12 FR FR7313200A patent/FR2180017B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB1386216A (en) | 1975-03-05 |
| BE798135A (fr) | 1973-07-31 |
| DE2318403A1 (de) | 1973-10-31 |
| FR2180017A1 (en, 2012) | 1973-11-23 |
| FR2180017B1 (en, 2012) | 1977-07-29 |
| JPS4948411A (en, 2012) | 1974-05-10 |
| CA1010884A (en) | 1977-05-24 |
| DE2318403B2 (de) | 1980-03-13 |
| JPS5123203B2 (en, 2012) | 1976-07-15 |
| DE2318403C3 (en, 2012) | 1980-11-06 |
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