Bitumen vulcanizing composition

Details Bitumen vulcanizing composition Bitumen vulcanizing composition

2005-03-29

2005-03-29

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

06872763

ABSTRACT:
Provided is a vulcanizing agent for vulcanizing bitumen, which vulcanizing agent comprises a sulphur agent and a binder, wherein the vulcanizing agent is in the form of pellets. Further provided is a process for producing a surfacing composition, which process comprises contacting bitumen with an elastomer and the vulcanizing agent of the present invention.

REFERENCES:
patent: 2640088 (1953-05-01), Glenn et al.
patent: 2912388 (1959-11-01), Leahy et al.
patent: 2933464 (1960-04-01), Gibbs
patent: 5508112 (1996-04-01), Planche et al.
patent: 5795929 (1998-08-01), Grubba
patent: 6025418 (2000-02-01), Defoor et al.
patent: 0384254 (1990-08-01), None
patent: 2270318 (1994-03-01), None

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