|
US2899430A
(en)
*
|
|
1959-08-11 |
|
Chxch |
|
US2493748A
(en)
*
|
1945-07-16 |
1950-01-10 |
Eastman Kodak Co |
Merocyanine dyes
|
|
BE473023A
(ro)
*
|
1946-05-25 |
|
|
|
|
US2558777A
(en)
*
|
1946-10-15 |
1951-07-03 |
Schering Corp |
Halogenated hydroxystilbazoles and derivatives thereof
|
|
BE477313A
(ro)
*
|
1946-11-13 |
|
|
|
|
BE477314A
(ro)
*
|
1946-11-22 |
|
|
|
|
BE481343A
(ro)
*
|
1947-03-21 |
|
|
|
|
US2603642A
(en)
*
|
1948-01-15 |
1952-07-15 |
Ilford Ltd |
Methine dyestuffs
|
|
NL159959B
(nl)
*
|
1950-03-20 |
|
Vnii Chim Sredstv Zaschity |
Werkwijze voor het bereiden van een herbicide preparaat en werkwijze voor het bereiden van verbindingen met herbicide eigenschappen.
|
|
US2647115A
(en)
*
|
1950-06-30 |
1953-07-28 |
Du Pont |
Cyanine dyes
|
|
BE506549A
(ro)
*
|
1950-10-19 |
|
|
|
|
NL165794B
(nl)
*
|
1950-12-05 |
|
Fromson H A |
Bekleed voorwerp met een substraat van aluminium.
|
|
US2719150A
(en)
*
|
1951-01-16 |
1955-09-27 |
Hoffmann La Roche |
Process for the manufacture of octahydroisoquinoline derivatives and intermediates therein
|
|
BE509181A
(ro)
*
|
1951-02-12 |
|
|
|
|
BE509307A
(ro)
*
|
1951-02-17 |
|
|
|
|
US2647051A
(en)
*
|
1951-02-17 |
1953-07-28 |
Du Pont |
Photographic emulsions containing sensitizing dyes
|
|
US2647052A
(en)
*
|
1951-02-20 |
1953-07-28 |
Du Pont |
Photographic silver halide emulsion containing symmetrical carbocyanine dyes
|
|
US2647053A
(en)
*
|
1951-02-21 |
1953-07-28 |
Du Pont |
Photographic emulsions containing symmetrical carbocyanine dyes
|
|
US2647054A
(en)
*
|
1951-02-21 |
1953-07-28 |
Du Pont |
Photographic emulsions containing sensitizing dyes
|
|
NL167913B
(nl)
*
|
1951-03-05 |
|
Niemann Wolfgang |
Automatische opblaasinrichting voor een reddingstoe- stel.
|
|
BE511167A
(ro)
*
|
1951-05-05 |
|
|
|
|
US2685509A
(en)
*
|
1951-10-05 |
1954-08-03 |
Eastman Kodak Co |
Optically sensitized photographic emulsion
|
|
US2765304A
(en)
*
|
1952-05-21 |
1956-10-02 |
Ciba Ltd |
New ox-diazole compounds and process for their manufacture
|
|
US2765239A
(en)
*
|
1952-05-21 |
1956-10-02 |
Ciba Ltd |
Process for the improvement of organic material
|
|
NL180676B
(nl)
*
|
1952-08-18 |
|
Ciba Geigy |
Werkwijze voor het bereiden van monoazopigmenten alsmede werkwijze voor het pigmenteren van grootmoleculig organisch materiaal met aldus bereide pigmenten.
|
|
NL91481C
(ro)
*
|
1953-02-25 |
|
|
|
|
US2773869A
(en)
*
|
1954-06-21 |
1956-12-11 |
American Cyanamid Co |
Alkenyl bisimidazole optical bleaching agents
|
|
BE544989A
(ro)
*
|
1955-02-07 |
|
|
|
|
US2878248A
(en)
*
|
1956-04-02 |
1959-03-17 |
Sterling Drug Inc |
Carboxy-esters of hydroxybenzimidazolyl-stilbenes
|
|
US2892834A
(en)
*
|
1955-05-10 |
1959-06-30 |
Sperry Rand Corp |
Cyanine dyes
|
|
US2892835A
(en)
*
|
1955-05-10 |
1959-06-30 |
Sperry Rand Corp |
Cyanine dyes containing a saturated heterocyclic nucleus
|
|
US2882160A
(en)
*
|
1955-05-10 |
1959-04-14 |
Sperry Rand Corp |
Sensitizing dyes from 2-methyl-5, 6-dihydro-4-cyclopentathiazoles
|
|
US2905666A
(en)
*
|
1955-05-10 |
1959-09-22 |
Sperry Rand Corp |
Sensitizing dyes from 2-methyl-4, 5-dihydro-beta-naphthothiazole
|
|
US2912434A
(en)
*
|
1955-08-22 |
1959-11-10 |
Sperry Rand Corp |
Preparation of indenothiazoles and cyanine dyes therefrom
|
|
US2892838A
(en)
*
|
1955-08-22 |
1959-06-30 |
Sperry Rand Corp |
Photographic sensitizing dyes derived from 2-alkyl-6, 7-dihydro-4-h-thiopyrano(4, 3d) thiazole
|
|
BE550650A
(ro)
*
|
1955-08-30 |
|
|
|
|
NL253898A
(ro)
*
|
1959-07-16 |
|
|
|
|
GB967483A
(ro)
*
|
1961-09-12 |
|
|
|
|
NL6803958A
(ro)
*
|
1967-04-01 |
1968-10-02 |
|
|
|
CH728269A4
(ro)
*
|
1969-05-13 |
1972-03-30 |
|
|
|
DE2932092A1
(de)
*
|
1979-08-08 |
1981-02-26 |
Bayer Ag |
Styrylfarbstoffe
|