Asphalt blends based on polymer complexes
Patent 4738997 Issued on April 19, 1988. Estimated Expiration Date: 
December 11, 2005. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
December 11, 2005. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent ReferencesHot melt adhesive compositions Hot melt adhesive compositions Bitumen-containing extended compositions Emulsion type adhesive compositions Ionomeric polymer compositions Patent #: 4591611 InventorsAssigneeApplicationNo. 06/807674 filed on 12/11/1985US Classes:524/68, Two or more solid polymers, or graft or graft-type, or block or block-type solid copolymer524/70, Solid polymer derived from ethylenic reactants only, at least one of which is propylene524/71Solid polymer derived from ethylenic reactants only, at least one of which is a hydrocarbon other than ethyleneExaminersPrimary: Lieberman, Allan M.Attorney, Agent or FirmInternational ClassC08L 95/00 (20060101)AbstractA bitumen-containing composition which comprises;(a) bitumen;(b) about 0.5 to about 30 parts by weight of a polymer complex per 100 parts by weight of the bitumen; and(c) about 0 to about 100 parts by weight of a filler per 100 parts by weight of the bitumen.Field of SearchSolid polymer derived from ethylenic reactants only, at least one of which is propyleneSolid polymer derived from ethylenic reactants only, at least one of which is a hydrocarbon other than ethylene Two or more solid polymers, or graft or graft-type, or block or block-type solid copolymer | |
