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US 2017/0190934 A1Published application
Roof coating system
AssigneeAmberger Kaolinwerke Eduard Kick GmbH & Co. KG
InventorsHans-Jürgen Hofmann, Christian Kohl
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Abstract
The invention relates to a roof coating comprising a bitumen layer with embedded particles.
Claims15
A roof coating comprising a bitumen layer with embedded particles, wherein said embedded particles comprise particles that are fired mix-tures of
- from 40 to 70% by weight clay minerals;
- from 0 to 32% by weight crystalline silicas;
- from 28 to 45% by weight feldspar;
- from 0 to 15% by weight other aggregates.
1 more element
A process for preparing particles, comprising:
- a) firing a mixture of
- from 40 to 70% by weight clay minerals;
- from 0 to 32% by weight crystalline silicas;
- from 28 to 45% by weight feldspar;
- from 0 to 15% by weight other aggregates;
- b) crushing the mixture into particles.
3 more elements
A method of using particles being fired mixtures of
- from 40 to 70% by weight clay minerals;
- from 0 to 32% by weight crystalline silicas;
- from 28 to 45% by weight feldspar;
- from 0 to 15% by weight other aggregates;
- comprising the steps of embedding said particles in bitumen.
2 more elements
Dependencies are inferred from the claim text.