Robert D Whitaker

US Patent:

7651559, Jan 26, 2010

Filed:

Dec 4, 2007

Appl. No.:

11/999205

Inventors:

Robert H. Whitaker - Cleveland GA, US
Richard Brann - Franklin TN, US

Assignee:

Franklin Industrial Minerals - Brentwood TN

International Classification:

C09D 4/00

US Classification:

10628404, 106 1836, 106 1505, 106285, 106738, 106817, 523122, 428143

Abstract:

A mineral composition comprised of at least about 90 weight percent of roofing granules, at least about 50 weight percent of calcium carbonate with a hardgrove grindability index of less than about 70, from about 0. 1 to about 1. 0 weight percent of a pigmented material, from about 0. 1 to about 1. 0 weight percent of a composition for inhibiting the growth of an organism selected from the group consisting of algae, bacteria, and mixtures thereof, and less than about 100 parts per million of a metal selected from the group consisting from the group consisting of arsenic, barium, cadmium, chromium, lead, mercury, selenium, and silver, and less than about 100 parts per million of a polycyclic aromatic hydrocarbon. The mineral composition, when tested in accordance with by ASTM Standard Test D 4977-03, loses less than 5 grams of material.

US Patent:

7833339, Nov 16, 2010

Filed:

Apr 18, 2006

Appl. No.:

11/405966

Inventors:

Robert H. Whitaker - Cleveland GA, US
Allen E. Smith - Sparta NJ, US
David R. Puryear - Nashville TN, US

Assignee:

Franklin Industrial Minerals - Nashville TN

International Classification:

C09D 195/00
C08L 95/00
C09C 1/02
D06N 5/00
E04D 3/18
B32B 11/02

US Classification:

10628401, 10628404, 10628406, 1062844, 106465, 428141, 428144, 428148, 428330, 428403, 428407

Abstract:

A composition comprised of asphalt and filler, wherein said filler is comprised of particles that comprise an inorganic core and a coating disposed on said core, and wherein at least about 60 weight percent of said particles are smaller than about 212 microns.

US Patent:

20060280907, Dec 14, 2006

Filed:

Nov 4, 2005

Appl. No.:

11/266833

Inventors:

Robert Whitaker - Cleveland GA, US
Richard Brann - Franklin TN, US

International Classification:

E01F 9/04

US Classification:

428143000, 428144000

Abstract:

A mineral composition that contains at least about 90 weight percent of headlap granules, at least about 50 weight percent of calcium carbonate, less than about 100 parts per million of a metal selected from the group consisting of arsenic, barium, cadmium, chromium, lead, mercury, selenium, and silver, and less than about 100 parts per million of a polycyclic aromatic hydrocarbon. This composition, when tested in accordance with ASTM Standard Test D 4977-03, loses less than 5 grams of material.

US Patent:

20070104923, May 10, 2007

Filed:

Dec 13, 2006

Appl. No.:

11/638618

Inventors:

Robert Whitaker - Cleveland GA, US
Richard Brann - Franklin TN, US

International Classification:

E04D 7/00

US Classification:

428144000

Abstract:

A mineral composition that contains at least about 90 weight percent of headlap granules, at least about 50 weight percent of calcium carbonate, and from about 0.1 to about 1.0 weight percent of a pigmented material. The pigmented material contains from about 10 to about 35 weight percent of pigment and from about 90 to about 65 weight percent of a resin. The mineral composition has superior adhesion properties; when it is tested in accordance with ASTM Standard Test D 4977-03, it loses less than 5 grams of material.

US Patent:

20100203290, Aug 12, 2010

Filed:

Jan 22, 2010

Appl. No.:

12/657528

Inventors:

Robert H. Whitaker - Cleveland GA, US
Richard Brann - Franklin TN, US
Randall P. Downing - Monteagle TN, US

International Classification:

D06N 7/04

US Classification:

428144

Abstract:

A roofing shingle that contains a roofing granules. The roofing granules contain at least about 95 weight percent of calcium carbonate with a hardgrove grindability index of less than about 70, and from about 0.1 to about 1.0 weight percent of a pigmented material; the pigmented material contains from about 10 to about 35 weight percent of pigment and from about 90 to about 65 weight percent of a resin; and the roofing granules are coated with an amine antistrip agent.

US Patent:

20110165376, Jul 7, 2011

Filed:

Nov 15, 2010

Appl. No.:

12/927442

Inventors:

Robert H. Whitaker - Cleveland GA, US
Allen E. Smith - Sparta NJ, US
David R. Puryear - Nashville TN, US

International Classification:

B32B 3/30
C04B 24/36

US Classification:

428148, 106668

Abstract:

A process for making a composition of asphalt and filler in which a viscosity reducing additive is sprayed onto particles of shingle filler material to produce coated shingle filler material, the coated shingle filler material is heated, asphalt is heated, and the heated coated shingle filler material is mixed with the heated asphalt.

US Patent:

20110223384, Sep 15, 2011

Filed:

Apr 18, 2011

Appl. No.:

13/066571

Inventors:

Robert H. Whitaker - Cleveland GA, US
Allen E. Smith - Sparta NJ, US

International Classification:

D06N 7/04
B05D 7/00
B32B 37/00

US Classification:

428143, 427221, 156 622

Abstract:

A shingle assembly that contains a fiber mat and an asphalt mixture disposed within the fiber mat. The asphalt mixture contains asphalt and a mineral filler; a layer of mineral granules is disposed on the top surface of the shingle assembly; the mineral granules contain at least about 40 weight percent of limestone particles that have a hardgrove grindability index of less than 70; and the particles are coated with an oil.

US Patent:

20150284544, Oct 8, 2015

Filed:

Apr 16, 2015

Appl. No.:

14/545281

Inventors:

Robert H Whitaker - Cleveland GA, US
Dennis R Coburn - Franklin TN, US

International Classification:

C08K 9/04

Abstract:

A mineral composition comprised of at least 90 weight percent of roofing granules, wherein said roofing granules comprise at least 40 weight percent of calcium carbonate, have a hardgrove grindability index of less than 70, contain less than 1.0 percent of particles smaller than 250 microns, contain less than 1.0 percent of particles greater than 2380 microns, contain from about 2 to about 10 percent of particles greater than 1,680 microns, contain less than 2 percent of particles less than 40 microns, and have a Hunter L value of from about 20 to about 30.