FR999066A
(en)
*
|
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1952-01-25 |
|
|
DE405832C
(en)
*
|
1918-06-01 |
1924-11-08 |
Gustav Adolf Voerkelius Dr Ing |
Process for the production of fertilizers
|
DE418874C
(en)
*
|
1919-04-13 |
1925-09-16 |
Gustav Adolf Voerkelius Dr Ing |
Manufacture of fertilizers
|
DE440001C
(en)
*
|
1923-06-22 |
1927-01-25 |
Rhenania Kunheim Ver Chemische |
Process for digesting rock phosphates
|
FR631233A
(en)
*
|
1926-12-14 |
1927-12-16 |
|
Process for the production of mixed fertilizers
|
US1788828A
(en)
*
|
1926-12-16 |
1931-01-13 |
Ig Farbenindustrie Ag |
Production of fertilizers
|
FR663215A
(en)
*
|
1927-12-07 |
1929-08-19 |
Kunstdunger Patent Verwertungs |
Improved raw phosphate treatment process
|
FR690013A
(en)
*
|
1929-03-07 |
1930-09-15 |
Kunstdunger Patent Verwertungs |
Phosphatic rock treatment process
|
DE571496C
(en)
*
|
1929-03-07 |
1933-03-01 |
Kunstduenger Patent Verwertung |
Process for the digestion of rock phosphates
|
DE542957C
(en)
*
|
1929-03-26 |
1932-01-30 |
Kali Forschungs Anstalt G M B |
Process for obtaining mixed fertilizers containing phosphoric acid
|
DE569733C
(en)
*
|
1929-07-11 |
1933-02-07 |
Kunstduenger Patent Verwertung |
Process for the digestion of rock phosphate
|
FR710932A
(en)
*
|
1930-02-20 |
1931-08-31 |
Kali Forschungsanstalt Gmbh |
Improvements to the processes for obtaining a mixed fertilizer
|
FR977112A
(en)
*
|
1942-06-26 |
1951-03-28 |
Potasse & Engrais Chimiques |
Process and apparatus for the manufacture of a phospho-nitrogen fertilizer
|
FR925332A
(en)
*
|
1945-04-19 |
1947-09-01 |
Prod Chim Du Limbourg |
Rapid manufacturing process for compound fertilizers
|
GB615476A
(en)
*
|
1946-05-17 |
1949-01-06 |
John Wilfred Richard Rayner |
Improvements in and relating to the production of mixed fertilizers
|
DE851807C
(en)
*
|
1947-05-29 |
1952-10-09 |
Chemische Fabriken Ag |
Process for the production of potassium-containing, low-water nitrophosphate fertilizers
|
AT165866B
(en)
*
|
1947-05-29 |
1950-05-10 |
Lonza Ag |
Process for the production of potassium-containing nitrophosphates
|
FR1007276A
(en)
*
|
1948-03-15 |
1952-05-05 |
Potasse & Engrais Chimiques |
Improvements in the manufacture of complex fertilizers
|