CH77486A
(en )
1918-09-02
Method for connecting chimney stones to one another
AT80091B
(en )
1920-02-25
Process for the preparation of caramel. Process for the preparation of caramel.
CH76373A
(en )
1917-12-01
Process for the preparation of glycolyl-p-phenetidide
CH77220A
(en )
1918-03-16
Method of making briquettes
CH73445A
(en )
1916-10-02
Process for eliminating furnace smoke
CH78380A
(en )
1918-11-16
Process for the preparation of hydrocodeine
CH79939A
(en )
1919-01-16
Process for the production of fibers
CH77500A
(en )
1918-09-02
Process for dry briquetting
CH82821A
(en )
1919-10-16
Process for the production of tempered steel fittings
CH75029A
(en )
1917-05-16
Method of making briquettes
CH77094A
(en )
1918-03-01
Method of making briquettes
CH78070A
(en )
1918-11-01
Method of making briquettes
CH77097A
(en )
1918-03-01
Method of saving fuel
CH78275A
(en )
1919-01-02
Process for the preparation of acetaldehyde
AT89300B
(en )
1922-08-25
Process for the extraction of pectin substances.
CH78502A
(en )
1918-12-16
Process for the preparation of hydroquinine
CH75045A
(en )
1917-05-16
Process for the preparation of basic magnesium hypochlorite
CH77382A
(en )
1918-04-16
Method of making stone wood
CH74747A
(en )
1917-09-01
Process for the preparation of ß-aminoanthraquinone
CH76149A
(en )
1917-11-01
Process for the preparation of 6-oxy-2-phenylpyridine-5-carboxylic acid (2-phenylpyridone-5-carboxylic acid)
CH79146A
(en )
1918-10-01
Method of making briquettes
CH77112A
(en )
1918-03-01
Process for making shoes
CH75875A
(en )
1917-10-01
Process for the production of potassium persulfate
CH77107A
(en )
1918-03-01
Process for the purification of decomposition products of the protein bodies
CH78165A
(en )
1918-11-16
Process for the preparation of hydromorphine