|
US2649373A
(en)
*
|
1948-10-18 |
1953-08-18 |
Warren S D Co |
Paper printing foils for lithographic purposes and a process of preparing them
|
|
US3046121A
(en)
*
|
1949-07-23 |
1962-07-24 |
Azoplate Corp |
Process for the manufacture of printing plates and light-sensitive material suttablefor use therein
|
|
US3046124A
(en)
*
|
1949-07-23 |
1962-07-24 |
Azoplate Corp |
Process for the manufacture of printing plates and light-sensitive material suitablefor use therein
|
|
NL78797C
(US20080293856A1-20081127-C00150.png)
*
|
1949-07-23 |
|
|
|
|
DE832545C
(de)
*
|
1950-01-24 |
1952-02-25 |
Kalle & Co Ag |
Schichten fuer photomechanische Reproduktion
|
|
DE857739C
(de)
*
|
1950-08-13 |
1952-12-01 |
Kalle & Co Ag |
Verfahren zum Fixieren von Druckformen, die mit Hilfe von Diazoverbindungen hergestellt sind
|
|
BE507657A
(US20080293856A1-20081127-C00150.png)
*
|
1950-12-06 |
|
|
|
|
US2692827A
(en)
*
|
1951-04-23 |
1954-10-26 |
Warren S D Co |
Process of developing photolithographic printing plates
|
|
US2959482A
(en)
*
|
1951-07-17 |
1960-11-08 |
Azoplate Corp |
Light sensitive material
|
|
CH307356A
(de)
*
|
1951-08-08 |
1955-05-31 |
Kalle & Co Ag |
Lichtempfindliches Material für die photomechanische Reproduktion.
|
|
US2767092A
(en)
*
|
1951-12-06 |
1956-10-16 |
Azoplate Corp |
Light sensitive material for lithographic printing
|
|
US2754209A
(en)
*
|
1952-06-10 |
1956-07-10 |
Azoplate Corp |
Light-sensitive para quinone diazides for making printing plates
|
|
BE521631A
(US20080293856A1-20081127-C00150.png)
*
|
1952-08-16 |
|
|
|
|
US3010389A
(en)
*
|
1953-03-09 |
1961-11-28 |
Buskes Willem Marie |
Photographic transfer printing plates
|
|
US2882153A
(en)
*
|
1954-02-04 |
1959-04-14 |
Polychrome Corp |
Planographic printing plate
|
|
US2875046A
(en)
*
|
1954-03-01 |
1959-02-24 |
Dick Co Ab |
Positive working photolithographic plate and method for manufacturing same
|
|
US2814988A
(en)
*
|
1954-05-19 |
1957-12-03 |
Armour Res Found |
Printing plates and the production thereof
|
|
US3010391A
(en)
*
|
1954-06-29 |
1961-11-28 |
Grinten Chem L V D |
Light-sensitive sheets and process for producing transfer images
|
|
BE581434A
(US20080293856A1-20081127-C00150.png)
*
|
1958-08-08 |
|
|
|
|
US3290151A
(en)
*
|
1963-06-10 |
1966-12-06 |
Aluminum Co Of America |
Coated aluminum lithoplate and method
|
