Patent Number US20130228098 A1 2013-09-05
 
Method for producing bitumen compositions
The present invention relates to a bituminous composition for load-bearing paving applications.The bituminous composition comprising: (a) a bitumen emulsion in an amount from 2% to 10% by total weight of the bituminous composition, wherein the bitumen emulsion comprises: (j) hard bitumen in an amount from 50% to 75% by total weight of the bitumen emulsion, the hard bitumen having a penetration number of no more than 220 dmm at 25°C as determined according to ASTM standard method D5, and (ii) an emulsifier in an amount from 0.05% to 2% by total weight of the bitumen emulsion; and (b) an aggregate in an amount from 90% to 98% by total weight of the bituminous composition, wherein the hard bitumen coats a surface of the aggregate in the bituminous composition, and the bituminous composition is characterized by a temperature of from 50°C to 140°C prior to load-bearing paving applications.
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  EP2650333 A1 2013-10-16
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  EP2185650 A2 2010-05-19
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  US20130228098 A1 2013-09-05
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  AU2008242350 B2 2013-05-09
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  MX2009011201 A 2009-11-02
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  MX321202 B 2014-06-19
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  ZA200907053 B 2011-05-25
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  MX325706 B 2014-11-27
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First Date of Grant 2015-02-18
2011-07-05
2012-01-03
2013-05-21
2016-02-16
2011-05-25
2013-05-09
2012-07-17
2014-06-19
2014-11-27
Inventor CREWS EVERETT
GIRARDEAU TOM
JACK IAIN
All applicant/assignee MeadWestvaco Corporation ([US])
MeadWestvaco Corporation ([US])
Ingevity South Carolina, LLC ([US])
CREWS EVERETT
GIRARDEAU TOM
JACK IAIN
MeadWestvaco Corporation ([US])
CREWS EVERETT
GIRARDEAU TOM
JACK IAIN
MeadWestvaco Corporation ([US])
MEADWESTVACO CORPORATION ([US])
MeadWestvaco Corporation ([US])
MEADWESTVACO CORPORATION ([US])
Ingevity South Carolina, LLC ([US])
MEADWESTVACO CORPORATION ([US])
MEADWESTVACO CORPORATION
MEADWESTVACO CORPORATION
MEADWESTVACO CORPORATION
MeadWestvaco Corporation
MEADWESTVACO CORP.
MEADWESTVACO CORPORATION ([US])
MEADWESTVACO CORPORATION ([US])
MEADWESTVACO CORPORATION
MEADWESTVACO CORPORATION ([US])
MEADWESTVACO CORPORATION
MEADWESTVACO CORPORATION ([US])
Priority Details 2004US-60545713 2004-02-182005WO-US02916 2005-01-272006US-11457931 2006-07-172007US-11735669 2007-04-162007US-11852696 2007-09-102008EP-0744619 2008-03-282008WO-US58686 2008-03-282010US-12905886 2010-10-152011US-13116517 2011-05-262011US-13309622 2011-12-022013US-13866166 2013-04-19
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Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR
National States: AE AG AL AM AO AT AU AZ BA BB BG BH BR BW BY BZ CA CH CN CO CR CU CZ DE DK DM DO DZ EC EE EG ES FI GB GD GE GH GM GT HN HR HU ID IL IN IS JP KE KG KM KN KP KR KZ LA LC LK LR LS LT LU LY MA MD ME MG MK MN MW MX MY MZ NA NG NI NO NZ OM PG PH PL PT RO RS RU SC SD SE SG SK SL SM SV SY TJ TM TN TR TT TZ UA UG US UZ VC VN ZA ZM ZW
ARIPO: BW GH GM KE LS MW MZ NA SD SL SZ TZ UG ZM ZW
EAPO: AM AZ BY KG KZ MD RU TJ TM
EPO: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LT LU LV MC MT NL NO PL PT RO SE SI SK TR
OAPI: BF BJ CF CG CI CM GA GN GQ GW ML MR NE SN TD TG
   
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