DK29205C
(en )
1922-01-23
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.
DK27962C
(en )
1921-07-11
Procedure for the Preparation of Alkalicyanates.
DK28202C
(en )
1921-08-22
Procedure for the manufacture of resinous substances.
DK28756C
(en )
1921-11-07
Procedure for the manufacture of resinous substances.
DK27406C
(en )
1921-04-11
Procedure for the Production of Glycerin from Sugar.
DK22728C
(en )
1917-12-31
Procedure for the manufacture of porcelain objects.
DK26140C
(en )
1920-06-21
Procedure for the manufacture of artificial abrasives.
DK22571C
(en )
1917-11-05
Procedure for the production of dyes.
DK28547C
(en )
1921-10-03
Procedure for the manufacture of tanning substances.
ES65966A3
(en )
1918-01-16
Process for the manufacture of paranitrochlorobenzole.
ES65967A3
(en )
1918-01-16
Process for the manufacture of ortho-para-dinitrolorobenzole.
DK26916C
(en )
1920-11-15
Procedure for the manufacture of molded articles.
DK23419C
(en )
1918-08-26
Procedure for the preparation of solutions or emulsions of tar-like substances.
DK25098C
(en )
1919-10-06
Procedure for Utilization of Keratinous Substances.
DK30963C
(en )
1922-12-18
Procedure for the manufacture of tanning substances from phenols and aldehydes.
ES63404A1
(en )
1916-12-16
Procedure for tanning.
DK21807C
(en )
1917-01-08
Apparatus for the manufacture of emulsions.
DK27646C
(en )
1921-05-23
Apparatus for the manufacture of fertilizers.
DK30320C
(en )
1922-09-25
Procedure for Treatment of Substances by Irradiation.
DK24841C
(en )
1919-08-11
Procedure for the manufacture of flexible, suitable for storage, tanned leather.
DK22581C
(en )
1917-11-12
Procedure for the manufacture of dentifrices and similar suitable substances containing eugenol and formaldehyde
DK27323C
(en )
1921-03-21
Procedure for the Production of Glycerin from Sugar.
DK27324C
(en )
1921-03-21
Procedure for the Production of Glycerin from Sugar.