FR 14.1
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Patent category FR 14.1 or XIV.1 was for Produits chimiques, meaning chemicals.[1]
References
This wiki has 3 patents in category "FR 14.1".
Patents in category FR 14.1
- Patent FR-1912-444044 (English title: Special material for fabricating hydrogen, nitrogen or a mixture of these, Inventors: Otto Dieffenbach • Wilhem Moldenhauer, Supplementary to patent: Patent DE-1911-05-24, Filing date: 1912-05-20)
- Patent FR-1912-444106 (English title: Process of hydrogen fabrication by means of iron, Inventors: Anton Messerschmitt, Supplementary to patent: Patent DE-1911-07-08-Messerschmitt, Filing date: 1912-05-22)
- Patent FR-1912-444105 (English title: process and apparatus for the fabrication of hydrogen, Inventors: Anton Messerschmitt, Supplementary to patent: DE of 1911-07-08 and DE of 1912-02-08, Filing date: 1912-05-22)
Enclosing categories | French patent classifications, Classifications of French patents, 1904-1958 |
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Keywords | CPC C01B3/06, Hydrogen |
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