GB1499193A - Indolino-spiropyran compounds useful as colour formers - Google Patents
Indolino-spiropyran compounds useful as colour formersInfo
- Publication number
- GB1499193A GB1499193A GB1537475A GB1537475A GB1499193A GB 1499193 A GB1499193 A GB 1499193A GB 1537475 A GB1537475 A GB 1537475A GB 1537475 A GB1537475 A GB 1537475A GB 1499193 A GB1499193 A GB 1499193A
- Authority
- GB
- United Kingdom
- Prior art keywords
- group
- indolino
- alkyl
- spiropyran compounds
- formula
- 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
- 150000001875 compounds Chemical class 0.000 title abstract 4
- 125000000217 alkyl group Chemical group 0.000 abstract 6
- 125000003545 alkoxy group Chemical group 0.000 abstract 2
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 abstract 2
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 abstract 2
- 125000004432 carbon atom Chemical group C* 0.000 abstract 1
- 125000004093 cyano group Chemical group *C#N 0.000 abstract 1
- 125000005843 halogen group Chemical group 0.000 abstract 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 abstract 1
- 125000003387 indolinyl group Chemical class N1(CCC2=CC=CC=C12)* 0.000 abstract 1
- SMQUZDBALVYZAC-UHFFFAOYSA-N salicylaldehyde Chemical class OC1=CC=CC=C1C=O SMQUZDBALVYZAC-UHFFFAOYSA-N 0.000 abstract 1
- 239000000126 substance Substances 0.000 abstract 1
- 125000001424 substituent group Chemical group 0.000 abstract 1
Classifications
-
- 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
- B41M5/15—Spiro-pyrans
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Color Printing (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Nitrogen Condensed Heterocyclic Rings (AREA)
- Indole Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP49042211A JPS50136312A (en, 2012) | 1974-04-17 | 1974-04-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1499193A true GB1499193A (en) | 1978-01-25 |
Family
ID=12629677
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1537475A Expired GB1499193A (en) | 1974-04-17 | 1975-04-15 | Indolino-spiropyran compounds useful as colour formers |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JPS50136312A (en, 2012) |
| DE (1) | DE2516383A1 (en, 2012) |
| GB (1) | GB1499193A (en, 2012) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH594675A5 (en, 2012) * | 1976-01-30 | 1978-01-13 | Ciba Geigy Ag |
-
1974
- 1974-04-17 JP JP49042211A patent/JPS50136312A/ja active Pending
-
1975
- 1975-04-15 DE DE19752516383 patent/DE2516383A1/de active Pending
- 1975-04-15 GB GB1537475A patent/GB1499193A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2516383A1 (de) | 1975-10-23 |
| JPS50136312A (en, 2012) | 1975-10-29 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PCNP | Patent ceased through non-payment of renewal fee |