US 5,854,058 A · Method of decomposing hard type rubber products

Abstract

The present invention relates to a method of decomposing hard type rubber products, which comprises treating hard type rubber products with a microorganism belonging to the genus Nocardia in the presence of soft type rubber products. According to the present invention, hard type rubber products, particularly tires, can be efficiently decomposed.

Claims1

Dependent claims

A method of decomposing tires, which comprises contacting tires with a culture of Nocardia NR-35A in the presence of a natural or synthetic isoprene-based rubber product.

Dependencies are inferred from the claim text.

Facts

Application

08/789,331Filed 23 Jan 1997

Priority

JP 8-00880723 Jan 1996

Granted

29 Dec 1998

Term ends

Not estimatedThe source records don’t support an estimate.

Classification13 codes

C08J 11/18
By chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation: by treatment with organic material
C12N 1/205
Bacteria; Culture media therefor: bacterial isolates
C12P 1/04
Preparation of compounds or compositions, not provided for in groups C12P3/00 - C12P39/00, by using microorganisms or enzymes: by using bacteria
C08J 2321/00
Working-up: characterised by the use of unspecified rubbers

Method of decomposing hard type rubber products

Life of this patent

Abstract

Claims1

Method of decomposing hard type rubber products

Life of this patent

Abstract

Claims1