ES165472A2 - IMPROVEMENTS IN THE OBJECT OF THE MAIN PATENT NUMBER 158624 - Google Patents

IMPROVEMENTS IN THE OBJECT OF THE MAIN PATENT NUMBER 158624

Info

Publication number
ES165472A2
ES165472A2 ES0165472A ES165472A ES165472A2 ES 165472 A2 ES165472 A2 ES 165472A2 ES 0165472 A ES0165472 A ES 0165472A ES 165472 A ES165472 A ES 165472A ES 165472 A2 ES165472 A2 ES 165472A2
Authority
ES
Spain
Prior art keywords
aryl
see formula
alkoylene
main patent
group
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
Application number
ES0165472A
Other languages
Spanish (es)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Gevaert Photo Producten NV
Original Assignee
Gevaert Photo Producten NV
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.)
Filing date
Publication date
Application filed by Gevaert Photo Producten NV filed Critical Gevaert Photo Producten NV
Priority to ES0165472A priority Critical patent/ES165472A2/en
Publication of ES165472A2 publication Critical patent/ES165472A2/en
Expired legal-status Critical Current

Links

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  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms (AREA)

Abstract

Procedimiento para la sensibilización de emulsiones fotográficas a base de halogenuro de plata haciendo uso de un sensibilizador de base en combinación con un supersensibilizador según la patente principal nº 158.624 caracterizado por el empleo combinado de colorantes estirílicos con sustancias de la fórmula general **(Ver fórmula)** en la cual: Y puede representar hidrógeno arilo alcoilo alcoileno aralcoilo Y' = arilo arilo sustituido o el resto de un núcleo heterocíclico y X = ya sea un agrupamiento cíclico llevando un agrupamiento mercapto ya sea un agrupamiento rectilíneo de la estructura siguiente ** (Ver fórmula)** en la que: X y/o X'= hidrógeno alcoilo o arilo y **(ver fórmula)** o los derivados selénicos correspondientes.Procedure for sensitizing silver halide-based photographic emulsions using a base sensitizer in combination with a supersensitizer according to main patent No. 158,624 characterized by the combined use of styryl dyes with substances of the general formula ** (See formula ) ** in which: Y can represent hydrogen aryl alkoylene alkoylene aralkoyl Y '= aryl substituted aryl or the remainder of a heterocyclic nucleus and X = either a cyclic group carrying a mercapto group or a rectilinear group of the following structure * * (See formula) ** in which: X and / or X '= hydrogen, alkyl or aryl and ** (see formula) ** or the corresponding selenic derivatives.

ES0165472A 1944-03-11 1944-03-11 IMPROVEMENTS IN THE OBJECT OF THE MAIN PATENT NUMBER 158624 Expired ES165472A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES0165472A ES165472A2 (en) 1944-03-11 1944-03-11 IMPROVEMENTS IN THE OBJECT OF THE MAIN PATENT NUMBER 158624

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES0165472A ES165472A2 (en) 1944-03-11 1944-03-11 IMPROVEMENTS IN THE OBJECT OF THE MAIN PATENT NUMBER 158624

Publications (1)

Publication Number Publication Date
ES165472A2 true ES165472A2 (en) 1948-05-16

Family

ID=38426001

Family Applications (1)

Application Number Title Priority Date Filing Date
ES0165472A Expired ES165472A2 (en) 1944-03-11 1944-03-11 IMPROVEMENTS IN THE OBJECT OF THE MAIN PATENT NUMBER 158624

Country Status (1)

Country Link
ES (1) ES165472A2 (en)

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