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US 5,395,439 AGranted
Bitumen based mixture for coating surfaces
AssigneeSaint-Gobain Recherche
InventorsGerard Basin, Patrick Le Breton
Life of this patent
Estimating the term…
Abstract
A bituminous mixture, comprising from 0.5 to 20% by weight mineral wool in admixture with bitumen, the fibers of said mineral wool prior to any chemical or mechanical treatment, being equal to at most 7 per 5 grams, and said fibers being treated with a non-ionic finish.
Claims5
A bituminous mixture, comprising:
- from 0.5 to 20% by weight mineral wool in admixture with bitumen, the micronaire of said mineral wool prior to any chemical or mechanical treatment, being equal to at most 7 per 5 grams, and the fibers of said mineral wool being treated with a non-ionic finish which is an amine oxide.
Dependencies are inferred from the claim text.