Compositions: coating or plastic – Coating or plastic compositions – Bituminous material or tarry residue
Patent
1979-09-12
1982-03-30
Hayes, Lorenzo B.
Compositions: coating or plastic
Coating or plastic compositions
Bituminous material or tarry residue
C08L 9500
Patent
active
043222501
ABSTRACT:
Mastic asphalt mixture for road, building and industrial construction, which contains 0.1 to 2% by weight of silica. For example, a precipitated silica, a precipitated and spray dried, or a pyrogenously produced silica may be used as a synthetic silicic acid. The content of synthetic silica produces an essentially higher degree of hardness in the finished mastic asphalt layer.
REFERENCES:
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patent: 2201981 (1940-05-01), Baron
patent: 2759843 (1956-08-01), Hardman
patent: 3173800 (1965-03-01), Wilson
patent: 3262800 (1966-07-01), Baxter
patent: 3766074 (1973-10-01), Brouillette
patent: 3776748 (1973-12-01), Richards
patent: 3920470 (1975-11-01), Bertrand
Barthel Walter
Muller Karl-Hans
Deutsche Gold- und Silber-Scheideanstalt vormals Roessler
Hayes Lorenzo B.
Yarbrough Amelia B.
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