|
US1902515A
|
|
Process for producing water-soluble condensation products and the products produced
|
|
DE557651C
|
|
Process for the manufacture of tanning agents
|
|
DE545968C
|
|
Process for the preparation of sulphonation products from the waste oils produced during the refining of mineral oils using liquid sulfur dioxide
|
|
DE550242C
|
|
Process for the production of water-soluble substances with capillary-active properties
|
|
US1763368A
|
|
Method of accelerating and improving tanning processes
|
|
US1794920A
|
|
Method of moistening and wetting out leather and dried hides
|
|
US1817205A
|
|
Process for producing solvents and emulsifying agents
|
|
DE528030C
|
|
Process for improving the properties of cardboard and other wood pulp products
|
|
US1787408A
|
|
Condensation product of aromatic sulphonic acids
|
|
DE544889C
|
|
Process for the preparation of sulfonic acids from condensation products from polynuclear aromatic hydrocarbons and olefins
|
|
DE479927C
|
|
Process for soaking and wetting leather and hides
|
|
DE514083C
|
|
Process for removing incrustations from materials containing cellulose
|
|
US1689894A
|
|
Method of spinning artificial filaments
|
|
DE484662C
|
|
Process for the production of benzyl alcohol
|
|
DE522763C
|
|
Process for the production of artificial structures from viscose
|
|
DE446815C
|
|
Manufacture of colored lacquers
|
|
DE509375C
|
|
Process for the production of artificial structures from viscose
|
|
DE507506C
|
|
Process for the production of resin soaps, resin emulsions, Appreitiermassen, sizes
|
|
DE507729C
|
|
Process to increase the wettability or absorption speed of raw materials and finished and intermediate products of vegetable and animal origin
|
|
US1686837A
|
|
Process of carbonizing woolen fibers
|
