DK57428C
(en )
1940-03-26
Procedure for Purifying Water.
DK58698C
(en )
1941-05-19
Procedure for Purifying Water.
DK60153C
(en )
1942-09-21
Process for the Preparation of Aromatic N-Sulfonylureas.
DK68144C
(en )
1948-12-13
Method for purifying water.
DK59225C
(en )
1941-11-24
Process for the preparation of alkylated 2-dialkyl-6-oxychromans.
DK62640C
(en )
1944-08-28
Procedure for Preventing Lime Deposition in Water.
DK58786C
(en )
1941-06-23
Procedure for the Preparation of d, l-Tocopherols.
DK67757C
(en )
1948-10-11
Process for the preparation of p-amino-benzene-sulfamido-thiazoles.
DK60973C
(en )
1943-05-31
Procedure for Making Photocopies.
DK56152C
(en )
1939-05-08
Water tap.
DK58234C
(en )
1940-12-09
Procedure for Purifying Phosphatides.
DK61645C
(en )
1943-11-29
Echosounder system.
DK59294C
(en )
1941-12-15
Process for the Preparation of d, l-Acetyl-α-Tocoferol.
DK75392C
(en )
1953-02-09
Means for softening water.
DK57876C
(en )
1940-08-05
Sterilizer and Filter for Water.
DK58763C
(en )
1941-06-16
Process for the preparation of d-Lysergic acid-d-1-oxybutylamide-2.
DK58764C
(en )
1941-06-16
Process for the Preparation of Trimethyl-p-benzoquinone.
DK63523C
(en )
1945-05-28
Process for the Preparation of 21-Diazo-3-acyl-oxy-pregnen-one-20.
DK59543C
(en )
1942-03-09
Process for the Preparation of Nitrogen-Phosphoric Acid Compounds for Water Curing.
DK56584C
(en )
1939-08-21
Procedure for the manufacture of bicycle frames.
DK60335C
(en )
1942-11-16
Process for the Preparation of 4-Aminomethylbenzolsulfonamide Compounds.
DK64168C
(en )
1945-12-17
Process for the Preparation of Sulfonamidothiazole Compounds.
DK65276C
(en )
1946-12-30
Process for the Preparation of Sulfonylisothiourea Compounds.
DK65808C
(en )
1947-11-03
Process for the Preparation of Azometine Compounds of 4-Aminomethylbenzolsulfonamides.
DK56494C
(en )
1939-07-31
Boiler layer for walled-in kettles.