|
US2899430A
(en)
*
|
|
1959-08-11 |
|
Chxch |
|
US2518512A
(en)
*
|
|
1950-08-15 |
|
Frank l |
|
US2440070A
(en)
*
|
1944-10-28 |
1948-04-20 |
Polarvid Corp |
Optical filter and method of manufacture
|
|
US2481022A
(en)
*
|
1945-07-03 |
1949-09-06 |
Ilford Ltd |
Production of cyanine dyestuffs
|
|
US2505497A
(en)
*
|
1945-07-03 |
1950-04-25 |
Ilford Ltd |
Production of photographic sensitizing dyestuffs
|
|
US2505496A
(en)
*
|
1945-07-03 |
1950-04-25 |
Ilford Ltd |
Production of cyanine dyestuffs
|
|
US2534654A
(en)
*
|
1946-01-11 |
1950-12-19 |
Polaroid Corp |
Ultraviolet absorbing filter
|
|
GB607918A
(en)
*
|
1946-03-01 |
1948-09-07 |
John David Kendall |
Improvements in or relating to the production of dyestuffs
|
|
US2511210A
(en)
*
|
1946-04-01 |
1950-06-13 |
Ilford Ltd |
Methine dyestuffs
|
|
BE475078A
(fr)
*
|
1946-08-09 |
|
|
|
|
US2527264A
(en)
*
|
1946-08-13 |
1950-10-24 |
Ilford Ltd |
Methane dyes and their preparation
|
|
GB624027A
(en)
*
|
1947-01-09 |
1949-05-26 |
Harry Derek Edwards |
Improvements in or relating to dyestuffs and to the sensitising of photographic emulsions therewith
|
|
US2533233A
(en)
*
|
1947-01-24 |
1950-12-12 |
Ilford Ltd |
beta beta-dicyanoketene dialkyl mercaptoles and method for their preparation
|
|
FR963261A
(fr)
*
|
1947-03-14 |
1950-07-05 |
|
|
|
US2534913A
(en)
*
|
1947-06-04 |
1950-12-19 |
Ilford Ltd |
Cyanine dyestuffs and intermediates containing aldehyde
|
|
GB633735A
(en)
*
|
1947-06-11 |
1949-12-19 |
John David Kendall |
Improvements in or relating to the production of methine dyestuffs and to photographic emulsions sensitised therewith
|
|
US2527266A
(en)
*
|
1947-11-10 |
1950-10-24 |
Ilford Ltd |
Methine dyestuffs
|
|
US2603642A
(en)
*
|
1948-01-15 |
1952-07-15 |
Ilford Ltd |
Methine dyestuffs
|
|
US2638473A
(en)
*
|
1948-10-02 |
1953-05-12 |
Ilford Ltd |
Methine dyestuffs
|
|
NL149081B
(nl)
*
|
1948-10-02 |
|
Bristol Myers Co |
Werkwijze voor het bereiden van een geneesmiddel op basis van twee penicillinen, alsmede aldus verkregen gevormd geneesmiddel.
|
|
NL72814C
(fr)
*
|
1949-02-01 |
|
|
|
|
US2647050A
(en)
*
|
1949-11-19 |
1953-07-28 |
Du Pont |
Photographic emulsions containing sensitizing dyes
|
|
US2609371A
(en)
*
|
1949-12-20 |
1952-09-02 |
Du Pont |
Carbocyanine dyes
|
|
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
(fr)
*
|
1950-10-19 |
|
|
|
|
NL165794B
(nl)
*
|
1950-12-05 |
|
Fromson H A |
Bekleed voorwerp met een substraat van aluminium.
|
|
BE509181A
(fr)
*
|
1951-02-12 |
|
|
|
|
US2647051A
(en)
*
|
1951-02-17 |
1953-07-28 |
Du Pont |
Photographic emulsions containing sensitizing dyes
|
|
BE509307A
(fr)
*
|
1951-02-17 |
|
|
|
|
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
(fr)
*
|
1951-05-05 |
|
|
|
|
US2685509A
(en)
*
|
1951-10-05 |
1954-08-03 |
Eastman Kodak Co |
Optically sensitized photographic emulsion
|
|
NL82523C
(fr)
*
|
1952-08-18 |
|
|
|
|
NL91481C
(fr)
*
|
1953-02-25 |
|
|
|
|
US2905666A
(en)
*
|
1955-05-10 |
1959-09-22 |
Sperry Rand Corp |
Sensitizing dyes from 2-methyl-4, 5-dihydro-beta-naphthothiazole
|
|
US2882160A
(en)
*
|
1955-05-10 |
1959-04-14 |
Sperry Rand Corp |
Sensitizing dyes from 2-methyl-5, 6-dihydro-4-cyclopentathiazoles
|
|
US2892835A
(en)
*
|
1955-05-10 |
1959-06-30 |
Sperry Rand Corp |
Cyanine dyes containing a saturated heterocyclic nucleus
|
|
US2892834A
(en)
*
|
1955-05-10 |
1959-06-30 |
Sperry Rand Corp |
Cyanine dyes
|
|
BE550650A
(fr)
*
|
1955-08-30 |
|
|
|
|
BE560805A
(fr)
*
|
1956-09-13 |
|
|
|
|
US2956881A
(en)
*
|
1957-03-12 |
1960-10-18 |
Eastman Kodak Co |
Hemioxonol dyes containing a carbocyclic nucleus and photographic emulsions containing them
|
|
AR204386A1
(es)
*
|
1971-03-16 |
1976-02-06 |
Minnesota Mining & Mfg |
Emulsion fotografica a base de haluros de plata
|
|
DE2352247A1
(de)
*
|
1973-10-18 |
1975-04-30 |
Bayer Ag |
Kationische farbstoffe
|
|
DE2353537C3
(de)
*
|
1973-10-25 |
1979-09-13 |
Bayer Ag, 5090 Leverkusen |
Kationische Dimethinfarbstoffe, deren Herstellung und Verwendung zum Färben und Bedrucken von Polymerisaten oder Mischpolymerisaten des Acrylnitrils, von sauer modifizierten Polyestern und Polyamidmaterialien
|