The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 12, 1998
Filed:
Mar. 06, 1995
Applicant:
Inventors:
Dennis Krivohlavek, Claremore, OK (US);
Gayle King, Terre Haute, IN (US);
Jean-Pascal Planche, Lyons, FR;
Assignee:
Eli France, Courbevoie, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L / ;
U.S. Cl.
CPC ...
524 71 ; 524 60 ; 524 61 ; 524 70 ;
Abstract
The bitumen/polymer composition comprises a bitumen, an elastomeric polymer vulcanisable with sulphur in an amount of 0.5 to 20% by weight of the bitumen, a sulphur-donating vulcanising agent, a vulcanisation accelerator and a viscosity-reducing agent chosen from water and hydrocarbon oils. The vulcanisation accelerator present in the composition consists of one or more vulcanisation accelerators active at temperatures below 100.degree. C., and the viscosity-reducing agent is used in an amount suitable for rendering the composition liquid at temperatures below 100.degree. C.