Patent ID: 6987207
Filing Date: 2006-01-17
Classification: C08K

Abstract:
1. A composition made by mixing (A) roofing asphalt with (B) an odor-suppressing amount of an additive composition comprising soy methyl ester, at least one aldehyde and/or at least one ketone, and at least one carboxylic acid ester in addition to the soy methyl ester, the concentration of the soy methyl ester in (B) being in the range from about 30% to about 90% by weight of the additive composition (B): the concentration of (B) in (A) being in the range from about 0.1 to about 20 gallons of (B) per 6000 gallons of (A), the mixing being conducted at a temperature in the range from about 350° F. to about 480° F.