Bitumen composition

Details Bitumen composition Bitumen composition

2006-06-13

2006-06-13

Szekely, Peter (Department: 1714)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

C524S069000, C524S070000, C524S071000

Reexamination Certificate

active

07060743

ABSTRACT:
The present invention provides a bitumen composition including: —(i) from 0.1 to 25% wt of an elastomer, (ii) from 0.1 to 40% wt of a solvent, (iii) from 30 to 99% wt of a bitumen, (iv) from 0.1 to 30% wt of a lithium salt of a C10–C40fatty acid or hydroxy fatty acid, and optionally (v) from 0 to 70% wt of a filler, all weights based on total bitumen composition, wherein the solvent is of general formula (I),wherein R1represents a hydrogen atom or a hydrocarbyl group having from 1 to 6 carbon atoms, R2represents a hydrocarbyl group having from 1 to 6 carbon atoms, and the sum of the carbon atoms in R1and R2is from 5 to 7; a process of preparing said bitumen composition and the use of the composition as a cold-applicable adhesive.

REFERENCES:
patent: 4332703 (1982-06-01), Lijzenga et al.
patent: 0037136 (1981-10-01), None
International Search Report dated Dec. 22, 2003.

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