FR705405A
(en )
1931-06-06
Sizing process
FR705505A
(en )
1931-06-09
Process for manufacturing asphalt from one or more basic mineral materials, and bitumen
FR753036A
(en )
1933-10-05
Asphalt manufacturing process
FR609140A
(en )
1926-08-09
Manufacturing process for asphalt, bituminous or tar emulsions
FR37772E
(en )
1931-01-17
Cold asphalt paving process
FR692138A
(en )
1930-10-30
Process for preparing a bituminous, asphaltic or similar composition
FR652114A
(en )
1929-03-05
Cold asphalt paving process
FR720620A
(en )
1932-02-22
Road surfacing process, courses. etc.
FR700799A
(en )
1931-03-06
Furnace for depositing bitumen or other materials
FR690330A
(en )
1930-09-18
Emulsion manufacturing process
FR695265A
(en )
1930-12-13
Process for the production of concrete mixes of tar and asphalt
FR696277A
(en )
1930-12-29
Process for manufacturing bitumen emulsions
FR651794A
(en )
1929-02-27
Process for manufacturing bitumen emulsions
FR564181A
(en )
1923-12-22
Process for the manufacture of agglomerated materials based on bituminous, tarry or asphaltic materials
FR527079A
(en )
1921-10-20
Machine intended for the manufacture of bituminous macadam for paving roads, sidewalks, roofs and other surfaces
FR694350A
(en )
1930-12-02
Hydrocarbon condensation process
FR631020A
(en )
1927-12-13
Manufacturing process for unstable bituminous emulsions
FR679179A
(en )
1930-04-09
High grade nitrogen carbide manufacturing process
FR694789A
(en )
1930-12-08
Masses based on asphalt, tar, etc., suitable for road construction, painting, etc.
FR698818A
(en )
1931-02-05
Process for the production of a material used for covering bituminous road surfaces by impregnating chippings or gravel with bituminous materials
GR2088B
(en )
1928-12-22
METHOD OF MANUFACTURING ASPHALT BRICKS AND TILES FOR LAYING ROADS, Pavements and the like.
FR670870A
(en )
1929-12-05
Process for preparing asphalt emulsions
FR687307A
(en )
1930-08-07
Manufacturing process of 1,1,2-ethane trichloride
ES112070A1
(en )
1929-06-16
Improvements in the construction of roads formed with a bitumen tarred and in the manufacture of tarred macadam (tarmacadam).
FR692194A
(en )
1930-10-31
Machine for making bricks and similar articles