CH74745A
(en )
1917-04-02
Process for the preparation of ammonium nitrate
CH72825A
(en )
1916-07-01
Process for the preparation of ammonia
CH80964A
(en )
1919-09-16
Process for the production of high percentage solutions of calcium nitrate
AT96140B
(en )
1924-02-25
Process for the preparation of ammonia from its elements.
CH78400A
(en )
1918-12-02
Process for briquetting fuel waste
CH77857A
(en )
1918-06-01
Process for the production of inulin which can be used for therapeutic purposes from plants
AT75599B
(en )
1919-02-25
Process for the enrichment of the potash content of potash salts.
CH76373A
(en )
1917-12-01
Process for the preparation of glycolyl-p-phenetidide
CH73296A
(en )
1916-11-16
Process for the production of ammonia
AT48314B
(en )
1911-06-10
Process for converting nitrites into nitrates.
CH70902A
(en )
1915-11-01
Process for the production of ammonia
AT100191B
(en )
1925-06-10
Process for preparing gels.
CH77486A
(en )
1918-09-02
Method for connecting chimney stones to one another
CH74747A
(en )
1917-09-01
Process for the preparation of ß-aminoanthraquinone
AT88457B
(en )
1922-05-26
Process for the preparation of derivatives of bromoacylated ureas.
CH75452A
(en )
1917-09-01
Process for processing glue leather into glue
CH56145A
(en )
1912-10-01
Innovation in the process for the preparation of ammonia
CH75047A
(en )
1917-06-01
Process for the preparation of tropic acid
CH76121A
(en )
1917-11-01
Process for hardening bodies of revolution
CH76064A
(en )
1917-11-01
Process for the production of briquettes from sawdust
AT80122B
(en )
1920-02-25
Process for concentrating liquids. Process for concentrating liquids.
AT75550B
(en )
1919-02-25
Process for processing quicklime.
CH78380A
(en )
1918-11-16
Process for the preparation of hydrocodeine
CH77500A
(en )
1918-09-02
Process for dry briquetting
CH78688A
(en )
1918-08-16
Soldering iron and process for its manufacture