DK28547C
(en )
1921-10-03
Procedure for the manufacture of tanning substances.
DK28548C
(en )
1921-10-03
Procedure for the manufacture of tanning substances.
DK30740C
(en )
1922-11-20
Procedure for the manufacture of tanning substances.
DK29205C
(en )
1922-01-23
Procedure for the manufacture of tanning substances.
ES64551A3
(en )
1917-06-16
An industrial process consisting of the manufacture of volatile auranciaceae essences.
DK21726C
(en )
1916-12-11
Procedure for Finishing Gelatinizing Substances.
ES63394A3
(en )
1916-12-16
An industrial process consisting of the manufacture of examethylenetetramine.
ES61724A3
(en )
1916-03-16
An industrial procedure consisting of the manufacture of metal frames for umbrellas.
DK18324C
(en )
1914-01-05
Procedure for the manufacture of condensation products.
DK19000C
(en )
1914-07-06
Procedure for the manufacture of condensation products.
ES59143A1
(en )
1914-11-16
An industrial process for the manufacture of ossein.
DK19471C
(en )
1914-11-09
Procedure for the production of hydrogenation products of unsaturated compounds.
DK30963C
(en )
1922-12-18
Procedure for the manufacture of tanning substances from phenols and aldehydes.
ES62173A3
(en )
1916-05-16
An industrial procedure consisting of the manufacture of pins or metal fasteners.
ES61967A3
(en )
1916-04-16
Procedure for the manufacture of betanaphthol.
ES64548A3
(en )
1917-06-16
An industrial process consisting of the manufacture of glucose from auranciaceae
ES65966A3
(en )
1918-01-16
Process for the manufacture of paranitrochlorobenzole.
ES65967A3
(en )
1918-01-16
Process for the manufacture of ortho-para-dinitrolorobenzole.
DK28202C
(en )
1921-08-22
Procedure for the manufacture of resinous substances.
DK28756C
(en )
1921-11-07
Procedure for the manufacture of resinous substances.
DK22581C
(en )
1917-11-12
Procedure for the manufacture of dentifrices and similar suitable substances containing eugenol and formaldehyde
DK22819C
(en )
1918-02-11
The butter kernels.
DK25098C
(en )
1919-10-06
Procedure for Utilization of Keratinous Substances.
ES65023A3
(en )
1917-08-16
An industrial procedure consisting of the manufacture of metal buttons for shirts.
DK21095C
(en )
1916-03-20
Rescue requirement.