BE801236A - Nouveaux spiropyrannes et precurseurs de colorants pour procedes de reproduction - Google Patents

Nouveaux spiropyrannes et precurseurs de colorants pour procedes de reproduction

Info

Publication number: BE801236A
Authority: BE; Belgium
Prior art keywords: spiropyrans; new; dye precursors; reproductive processes; reproductive
Prior art date: 1972-06-21

Application number

BE132541A

Other languages

English (en)

Original Assignee

Basf Ag

Priority date (The priority date 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 date listed.)

1972-06-21

Filing date

1973-06-21

Publication date

1973-12-21

1973-06-21 Application filed by Basf Ag filed Critical Basf Ag

1973-12-21 Publication of BE801236A publication Critical patent/BE801236A/fr

Links

239000002243 precursor Substances 0.000 title 1
230000001850 reproductive effect Effects 0.000 title 1

Classifications

- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D491/00—Heterocyclic compounds containing in the condensed ring system both one or more rings having oxygen atoms as the only ring hetero atoms and one or more rings having nitrogen atoms as the only ring hetero atoms, not provided for by groups C07D451/00 - C07D459/00, C07D463/00, C07D477/00 or C07D489/00
- C07D491/02—Heterocyclic compounds containing in the condensed ring system both one or more rings having oxygen atoms as the only ring hetero atoms and one or more rings having nitrogen atoms as the only ring hetero atoms, not provided for by groups C07D451/00 - C07D459/00, C07D463/00, C07D477/00 or C07D489/00 in which the condensed system contains two hetero rings
- C07D491/10—Spiro-condensed systems
- 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)
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)

BE132541A 1972-06-21 1973-06-21 Nouveaux spiropyrannes et precurseurs de colorants pour procedes de reproduction BE801236A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE2230225A DE2230225C2 (de)	1972-06-21	1972-06-21	Neue Chinoxalin-spiropyrane und deren Verwendung als Farbbildner für Kopierverfahren

Publications (1)

Publication Number	Publication Date
BE801236A true BE801236A (fr)	1973-12-21

Family

ID=5848318

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE132541A BE801236A (fr)	1972-06-21	1973-06-21	Nouveaux spiropyrannes et precurseurs de colorants pour procedes de reproduction

Country Status (11)

Country	Link
US (1)	US3896126A (fr)
JP (1)	JPS5717026B2 (fr)
BE (1)	BE801236A (fr)
CA (1)	CA1005445A (fr)
CH (1)	CH580102A5 (fr)
DD (1)	DD107696A5 (fr)
DE (1)	DE2230225C2 (fr)
ES (1)	ES416093A1 (fr)
FR (1)	FR2189413B1 (fr)
GB (1)	GB1424886A (fr)
IT (1)	IT985338B (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2272082B1 (fr) *	1974-05-24	1978-08-11	Issec
DE2430568C3 (de) *	1974-06-26	1979-02-08	Basf Ag, 6700 Ludwigshafen	Spirodipyrane und deren Verwendung als Farbbildner für druckempfindliche Aufzeichnungsmaterialien
DE3044120A1 (de) *	1980-11-24	1982-07-15	Basf Ag, 6700 Ludwigshafen	Druck- und thermoempfindliches aufzeichnungsmaterial
US8722076B2 (en)	2010-09-30	2014-05-13	Surmodics, Inc.	Photochrome- or near IR dye-coupled polymeric matrices for medical articles

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
NL214309A (fr) *	1956-02-06
US3366628A (en) *	1966-06-23	1968-01-30	American Home Prod	1, 2-dihydro-1-polyhydroxyalkyl-2-quinoxalinones

1972
- 1972-06-21 DE DE2230225A patent/DE2230225C2/de not_active Expired
1973
- 1973-06-07 IT IT50502/73A patent/IT985338B/it active
- 1973-06-18 CH CH881673A patent/CH580102A5/xx not_active IP Right Cessation
- 1973-06-19 CA CA174,482A patent/CA1005445A/en not_active Expired
- 1973-06-19 FR FR7322243A patent/FR2189413B1/fr not_active Expired
- 1973-06-20 ES ES416093A patent/ES416093A1/es not_active Expired
- 1973-06-20 GB GB2922873A patent/GB1424886A/en not_active Expired
- 1973-06-20 DD DD171741A patent/DD107696A5/xx unknown
- 1973-06-21 BE BE132541A patent/BE801236A/fr not_active IP Right Cessation
- 1973-06-21 US US372298A patent/US3896126A/en not_active Expired - Lifetime
- 1973-06-21 JP JP6927573A patent/JPS5717026B2/ja not_active Expired

Also Published As

Publication number	Publication date
JPS5717026B2 (fr)	1982-04-08
IT985338B (it)	1974-11-30
FR2189413A1 (fr)	1974-01-25
FR2189413B1 (fr)	1977-01-07
US3896126A (en)	1975-07-22
DE2230225C2 (de)	1985-01-17
GB1424886A (en)	1976-02-11
DD107696A5 (fr)	1974-08-12
DE2230225A1 (de)	1974-01-10
ES416093A1 (es)	1976-02-16
CH580102A5 (fr)	1976-09-30
CA1005445A (en)	1977-02-15
JPS4949976A (fr)	1974-05-15

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Legal Events

Date

Code

Title

Description

1986-12-31

RE

Patent lapsed

Owner name: BADISCHE ANILIN- & SODAFABRIK A.G.

Effective date: 19860630