Patents by Inventor Iain Jack
Iain Jack has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 9260608Abstract: A bituminous composition comprising a bitumen emulsion in an amount from about 2% to about 10% by total weight of the bituminous composition, and aggregate in an amount from about 90% to about 99% by total weight of the bituminous composition, wherein the bituminous composition is at a temperature range of about 50° C. to about 140° C. The bitumen emulsion comprises hard bitumen in an amount from about 50% to about 75% by total weight of the bitumen emulsion, the hard bitumen being characterized by a penetration number of about 100 dmm or less at 25° C. as determined according to the AASHTO Method T49, and an emulsifier in an amount from about 0.05% to about 2% by total weight of the bitumen emulsion, the emulsifier having a Hildebrand solubility parameter of at least of about 19 (MPa)½. Also disclosed are the methods of producing and using such bituminous compositions.Type: GrantFiled: April 19, 2013Date of Patent: February 16, 2016Assignee: Ingevity South Carolina, LLCInventors: Everett Crews, Iain Jack, Tom Girardeau
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Patent number: 8894321Abstract: The disclosure is directed to a warm mix asphalt comprising a hydrated lime slurry additive, methods of producing the same, methods of producing an asphalt pavement and methods of paving a surface.Type: GrantFiled: July 12, 2011Date of Patent: November 25, 2014Assignee: Western Emulsions, Inc.Inventors: Iain Jack, Willer de Oliveira
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Publication number: 20130336720Abstract: The disclosure is directed to a warm mix asphalt comprising a hydrated lime slurry additive, methods of producing the same, methods of producing an asphalt pavement and methods of paving a surface.Type: ApplicationFiled: July 12, 2011Publication date: December 19, 2013Applicant: Western Emulsions, Inc.Inventors: Iain Jack, Willer de Oliveira
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Publication number: 20130228098Abstract: A bituminous composition comprising a bitumen emulsion in an amount from about 2% to about 10% by total weight of the bituminous composition, and aggregate in an amount from about 90% to about 99% by total weight of the bituminous composition, wherein the bituminous composition is at a temperature range of about 50° C. to about 140° C. The bitumen emulsion comprises hard bitumen in an amount from about 50% to about 75% by total weight of the bitumen emulsion, the hard bitumen being characterized by a penetration number of about 100 dmm or less at 25° C. as determined according to the AASHTO Method T49, and an emulsifier in an amount from about 0.05% to about 2% by total weight of the bitumen emulsion, the emulsifier having a Hildebrand solubility parameter of at least of about 19 (MPa)½. Also disclosed are the methods of producing and using such bituminous compositions.Type: ApplicationFiled: April 19, 2013Publication date: September 5, 2013Inventors: Everett CREWS, Iain JACK, Tom GIRARDEAU
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Patent number: 8444760Abstract: This disclosure relates to bituminous compositions and methods of producing the same. More particularly, the disclosure relates to the production of bituminous compositions formulated with performance-graded bitumen-containing solvent-free bitumen emulsions which exhibit controllable, temperature-dependent interfacial rheology. When employed in paving applications, these bituminous compositions develop adhesive strength and load-bearing strength properties at rates comparable to traditional hot mix paving compositions and at rates faster than traditional cold mix paving compositions.Type: GrantFiled: December 2, 2011Date of Patent: May 21, 2013Assignee: MeadWestvaco CorporationInventors: Everett Crews, Tom Girardeau, Iain Jack
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Publication number: 20120125232Abstract: This disclosure relates to bituminous compositions and methods of producing the same. More particularly, the disclosure relates to the production of bituminous compositions formulated with performance-graded bitumen-containing solvent-free bitumen emulsions which exhibit controllable, temperature-dependent interfacial rheology. When employed in paving applications, these bituminous compositions develop adhesive strength and load-bearing strength properties at rates comparable to traditional hot mix paving compositions and at rates faster than traditional cold mix paving compositions.Type: ApplicationFiled: December 2, 2011Publication date: May 24, 2012Applicant: MEADWESTVACO CORPORATIONInventors: Everett Crews, Tom Girardeau, Iain Jack
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Patent number: 8088210Abstract: A bituminous composition including, based on total weight of the bituminous composition, (a) hard bitumen in an amount of 0.5% to 7.5% by weight, the hard bitumen being characterized by a penetration number of 100 dmm or less at 25° C. as determined according to the American Association of State Highway and Transportation Officials (AASHTO) Method T49; (b) emulsifier in an amount of 0.0005% to 0.2% by weight, wherein the emulsifier has a Hildebrand solubility parameter of at least 19 (MPa)1/2; (c) water; and (d) aggregate in an amount of 90% to 99% by weight, the aggregate having an aggregate surface that is wetted with the hard bitumen, wherein the bituminous composition is at a temperature ranging from 50° C. to 140° C.Type: GrantFiled: May 26, 2011Date of Patent: January 3, 2012Assignee: MeadWestvaco CorporationInventors: Everett Crews, Tom Girardeau, Iain Jack
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Publication number: 20110218274Abstract: A bituminous composition including, based on total weight of the bituminous composition, (a) hard bitumen in an amount of 0.5% to 7.5% by weight, the hard bitumen being characterized by a penetration number of 100 dmm or less at 25° C. as determined according to the American Association of State Highway and Transportation Officials (AASHTO) Method T49; (b) emulsifier in an amount of 0.0005% to 0.2% by weight, wherein the emulsifier has a Hildebrand solubility parameter of at least 19 (MPa)1/2; (c) water; and (d) aggregate in an amount of 90% to 99% by weight, the aggregate having an aggregate surface that is wetted with the hard bitumen, wherein the bituminous composition is at a temperature ranging from 50° C. to 140° C.Type: ApplicationFiled: May 26, 2011Publication date: September 8, 2011Inventors: Everett Crews, Tom Girardeau, Iain Jack
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Patent number: 7972429Abstract: This invention relates to bituminous compositions and methods of producing the same. More particularly, the invention relates to the production of bituminous compositions formulated with performance-graded bitumen-containing solvent-free bitumen emulsions which exhibit controllable, temperature-dependent interfacial rheology. When employed in paving applications, these bituminous compositions develop adhesive strength and load-bearing strength properties at rates comparable to traditional hot mix paving compositions and at rates faster than traditional cold mix paving compositions.Type: GrantFiled: October 15, 2010Date of Patent: July 5, 2011Assignee: MeadWestvaco CorporationInventors: Everett Crews, Tom Girardeau, Iain Jack
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Patent number: 7951857Abstract: The present invention relates to bituminous compositions suitable for use in paving applications containing water-in-oil bitumen dispersion of paving grade bitumen such as penetration-graded, viscosity-graded and/or penetration-graded varieties that is substantially free of volatile solvents and made by controlling temperature-dependent interfacial rheology through the use of selected surfactants. The invention paving compositions are suitable for use in the construction of load-bearing, high-traffic pavements at a temperature range lower than that required for conventional hot-mix bituminous paving compositions, yet with similar or superior compaction to densities property and at least equal cure rate.Type: GrantFiled: March 26, 2007Date of Patent: May 31, 2011Assignee: MeadWestvaco CorporationInventors: Everett Crews, Tom Girardeau, Iain Jack
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Patent number: 7905949Abstract: This invention relates to bituminous compositions and methods of producing the same. More particularly, the invention relates to the production of bituminous compositions formulated with performance-graded bitumen-containing solvent-free bitumen emulsions which exhibit controllable, temperature-dependent interfacial rheology. When employed in paving applications, these bituminous compositions develop adhesive strength and load-bearing strength properties at rates comparable to traditional hot mix paving compositions and at rates faster than traditional cold mix paving compositions.Type: GrantFiled: September 27, 2007Date of Patent: March 15, 2011Assignee: Meadwestvaco CorporationInventors: Everett Crews, Tom Girardeau, Iain Jack
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Publication number: 20110021672Abstract: This invention relates to bituminous compositions and methods of producing the same. More particularly, the invention relates to the production of bituminous compositions formulated with performance-graded bitumen-containing solvent-free bitumen emulsions which exhibit controllable, temperature-dependent interfacial rheology. When employed in paving applications, these bituminous compositions develop adhesive strength and load-bearing strength properties at rates comparable to traditional hot mix paving compositions and at rates faster than traditional cold mix paving compositions.Type: ApplicationFiled: October 15, 2010Publication date: January 27, 2011Inventors: Everett Crews, Tom Girardeau, Iain Jack
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Patent number: 7833338Abstract: The present invention relates to bituminous compositions suitable for use in paving applications containing bitumen emulsion of performance-grade bitumen that is substantially free of volatile solvents and made by controlling temperature-dependent interfacial rheology through the use of selected emulsifiers. The invention bituminous paving compositions are suitable for the construction of load-bearing pavements with improved compaction to densities similar or superior to those achieved in the conventional hot mix bituminous paving compositions. Cure rate of the invention bituminous compositions is higher than those of cold mix bitumen emulsion-based paving compositions, and at least equal to those of hot mix bituminous paving compositions. Additionally, the invention bituminous compositions develop adhesive strength and load-bearing strength properties at rates comparable to those of hot mix bituminous paving compositions, and at rates faster than those of cold mix bituminous paving compositions.Type: GrantFiled: September 10, 2007Date of Patent: November 16, 2010Assignee: MeadWestvaco Packaging Systems, LLCInventors: Everett Crews, Tom Girardeau, Iain Jack
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Patent number: 7789956Abstract: This invention relates to bituminous compositions and methods of producing the same. More particularly, the invention relates to the production of bituminous compositions formulated with performance-graded bitumen-containing solvent-free bitumen emulsions which exhibit controllable, temperature-dependent interfacial rheology. When employed in paving applications, these bituminous compositions develop adhesive strength and load-bearing strength properties at rates comparable to traditional hot mix paving compositions and at rates faster than traditional cold mix paving compositions.Type: GrantFiled: September 27, 2007Date of Patent: September 7, 2010Assignee: MeadWestvaco CorporationInventors: Everett Crews, Tom Girardeau, Iain Jack
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Publication number: 20080194738Abstract: The present invention relates to bituminous compositions suitable for use in paving applications containing water-in-oil bitumen dispersion of paving grade bitumen such as penetration-graded, viscosity-graded and/or penetration-graded varieties that is substantially free of volatile solvents and made by controlling temperature-dependent interfacial rheology through the use of selected surfactants. The invention paving compositions are suitable for use in the construction of load-bearing, high-traffic pavements at a temperature range lower than that required for conventional hot-mix bituminous paving compositions, yet with similar or superior compaction to densities property and at least equal cure rate.Type: ApplicationFiled: March 26, 2007Publication date: August 14, 2008Applicant: MeadWestvaco CorporationInventors: Everett Crews, Tom Girardeau, Iain Jack
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Publication number: 20080069638Abstract: This invention relates to bituminous compositions and methods of producing the same, More particularly, the invention relates to the production of bituminous compositions formulated with performance-graded bitumen-containing solvent-free bitumen emulsions which exhibit controllable, temperature-dependent interfacial rheology. When employed in paving applications, these bituminous compositions develop adhesive strength and load-bearing strength properties at rates comparable to traditional hot mix paving compositions and at rates faster than traditional cold mix paving compositions.Type: ApplicationFiled: September 27, 2007Publication date: March 20, 2008Inventors: Everett Crews, Tom Girardeau, Iain Jack
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Publication number: 20080060551Abstract: The present invention relates to bituminous compositions suitable for use in paving applications containing bitumen emulsion of performance-grade bitumen that is substantially free of volatile solvents and made by controlling temperature-dependent interfacial rheology through the use of selected emulsifiers. The invention bituminous paving compositions are suitable for the construction of load-bearing pavements with improved compaction to densities similar or superior to those achieved in the conventional hot mix bituminous paving compositions. Cure rate of the invention bituminous compositions is higher than those of cold mix bitumen emulsion-based paving compositions, and at least equal to those of hot mix bituminous paving compositions. Additionally, the invention bituminous compositions develop adhesive strength and load-bearing strength properties at rates comparable to those of hot mix bituminous paving compositions, and at rates faster than those of cold mix bituminous paving compositions.Type: ApplicationFiled: September 10, 2007Publication date: March 13, 2008Inventors: Everett Crews, Tom Girardeau, Iain Jack
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Patent number: 7297204Abstract: There is provided a method for making bituminous compositions comprising water-in-oil bituminous dispersion and aggregate by the steps of: preparing a solvent-free, water-in-oil bituminous dispersion comprising: (1) bitumen, in an amount from about 75.0% to about 95.0% by total weight of the bitumen dispersion; (2) a surfactant in an amount from about 0.05% to about 2.0% by total weight of the bitumen dispersion; and (3) water in an amount to complete the water-in-oil bituminous dispersion, and producing the bituminous composition having a temperature from about 50° C. to about 120° C. by mixing: (1) the water-in-oil bituminous dispersion of step (A), having a temperature from about 75° C. to about 95° C., in an amount from about 2.0% to about 10.0% by total weight of the bituminous composition, and (2) aggregate, having a temperature from about 60° C. to about 140° C., in an amount from about 90.0% to about 98.0% by total weight of the bituminous composition.Type: GrantFiled: March 28, 2006Date of Patent: November 20, 2007Assignee: MeadWestvaco CorporationInventors: Everett Crews, Tom E. Girardeau, Iain Jack
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Publication number: 20070082983Abstract: There is provided a method for making bituminous compositions comprising water-in-oil bituminous dispersion and aggregate by the steps of: preparing a solvent-free, water-in-oil bituminous dispersion comprising: (1) bitumen, in an amount from about 75.0% to about 95.0% by total weight of the bitumen dispersion; (2) a surfactant in an amount from about 0.05% to about 2.0% by total weight of the bitumen dispersion; and (3) water in an amount to complete the water-in-oil bituminous dispersion, and producing the bituminous composition having a temperature from about 50° C. to about 120° C. by mixing: (1) the water-in-oil bituminous dispersion of step (A), having a temperature from about 75° C. to about 95° C., in an amount from about 2.0% to about 10.0% by total weight of the bituminous composition, and (2) aggregate, having a temperature from about 60° C. to about 140° C., in an amount from about 90.0% to about 98.0% by total weight of the bituminous composition.Type: ApplicationFiled: March 28, 2006Publication date: April 12, 2007Inventors: Everett Crews, Tom Girardeau, Iain Jack
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Publication number: 20070039520Abstract: This invention relates to bituminous compositions and methods of producing the same. More particularly, the invention relates to the production of bituminous compositions formulated with performance-graded bitumen-containing solvent-free bitumen emulsions which exhibit controllable, temperature-dependent interfacial rheology. When employed in paving applications, these bituminous compositions develop adhesive strength and load-bearing strength properties at rates comparable to traditional hot mix paving compositions and at rates faster than traditional cold mix paving compositions.Type: ApplicationFiled: July 17, 2006Publication date: February 22, 2007Inventors: Everett Crews, Humbert Dellicolli, Willer deOliveria, Iain Jack