Patent ID: 11970663
Assignee: YANCHEP TECHNOLOGY LIMITED
Field: Basic materials chemistry (Chemistry)
Classification: CPC C  Y | IPC C

Claim 4:
5. A composition obtained from a pyrolysis of waste rubber and subsequent separation of a resulting oil, the composition comprising:
an initial boiling point not exceeding 75° C. under atmospheric pressure determined according to ASTM D86,
a density at 15° C. of greater than 790 kg/m3 determined according to ASTM D4502,
a benzene content of at least 1.25 vol % determined according to ASTM D6839,
an existent gum (washed) content greater than 10 mg/100 ml determined according to ASTM D381,
an organic halogen (as Cl) content of less than 50 mg/kg determined according to IP510,
a colour of no more than 5.0 determined according to ASTM D1500, and
a biogenic carbon content of at least 20%, as determined according to ASTM D6866 Method B (AMS),
wherein the waste rubber from which the composition is derived comprises waste tyres.