1
James A Gleeson, Kalynne H Paradis, Brian P Sloane, David L Melmeth, Dean M Seligman: Fiber cement building materials with low density additives. James Hardie Research, Knobbe Martens Olson & Bear, June 3, 2003: US06572697 (155 worldwide citation)

This invention relates to a formulation with the addition of low density additives of volcanic ash, hollow ceramic microspheres or a combination of microspheres and volcanic ash or other low density additives into cementitious cellulose fiber reinforced building materials. This formulation is advant ...


2
Amlan Datta, Hamid Hojaji, David L Melmeth, James A McFarlane, Thinh Pham, Noel E Thompson, Huagang Zhang: Synthetic microspheres and methods of making same. James Hardie Technology, Gardere Wynne Sewell, January 26, 2010: US07651563 (16 worldwide citation)

A building product incorporating synthetic microspheres having a low alkali metal oxide content is provided. The synthetic microspheres are substantially chemically inert and thus a suitable replacement for cenospheres derived from coal combustion, particularly in caustic environments such as cement ...


3
Amlan Datta, Hamid Hojaji, David L Melmeth, James A McFarlane, Thinh Pham, Noel E Thompson, Huagang Zhang: Synthetic microspheres comprising aluminosilicate and methods of making same. James Hardie Technology, Gardere Wynne Sewell, February 23, 2010: US07666505 (12 worldwide citation)

A synthetic microsphere having a low alkali metal oxide content and methods of forming the microsphere and its components are provided. The synthetic microsphere is substantially chemically inert and thus a suitable replacement for natural cenospheres, particularly in caustic environments such as ce ...


4
James A Gleeson, Kalynne H Paradis, Brian P Sloane, David L Melmeth, Dean M Seligman: Fiber cement building materials with low density additives. James Hardie Technology, February 9, 2010: US07658794 (7 worldwide citation)

This invention relates to a formulation with the addition of low density additives of volcanic ash, hollow ceramic microspheres or a combination of microspheres and volcanic ash or other low density additives into cementitious cellulose fiber reinforced building materials. This formulation is advant ...


5
Amlan Datta, Hamid Hojaji, David L Melmeth, James A McFarlane, Thinh Pham, Noel E Thompson, Huagang Zhang: Synthetic microspheres and methods of making same. James Hardie Technology, Gardere Wynne Sewell, February 1, 2011: US07878026 (7 worldwide citation)

A synthetic microsphere having a low alkali metal oxide content and methods of forming the microsphere and its components are provided. The synthetic microsphere is substantially chemically inert and thus a suitable replacement for natural cenospheres, particularly in caustic environments such as ce ...


6
Giang Biscan, Hamid Hojaji, David L Melmeth, Thinh Pham, Huagang Zhang: Geopolymeric particles, fibers, shaped articles and methods of manufacture. James Hardie Technology, Knobbe Martens Olson & Bear, November 5, 2013: US08574358 (7 worldwide citation)

Shaped geopolymeric particles, fibers, and articles incorporating at least one geopolymer are provided; the geopolymeric particles, fibers, and articles having a structure that is solid, foamed, hollow or with one or more voids. Geopolymers are formed by alkali activation of an aluminosilicate and/o ...


7
James A Gleeson, Kalynne H Paradis, Brian P Sloane, David L Melmeth, Dean M Seligman: Fiber cement building materials with low density additives. James Hardie Technology, Knobbe Martens Olson & Bear, December 10, 2013: US08603239 (4 worldwide citation)

This invention relates to a formulation with the addition of low density additives of volcanic ash, hollow ceramic microspheres or a combination of microspheres and volcanic ash or other low density additives into cementitious cellulose fiber reinforced building materials. This formulation is advant ...


8
James A Gleeson, Kalynne H Paradis, Brian P Sloane, David L Melmeth, Dean M Seligman: Fiber cement building materials with low density additives. James Hardie Technology, Gardere Wynne Sewell, June 1, 2010: US07727329 (3 worldwide citation)

This invention relates to a formulation with the addition of low density additives of volcanic ash, hollow ceramic microspheres or a combination of microspheres and volcanic ash or other low density additives into cementitious cellulose fiber reinforced building materials. This formulation is advant ...


9
Huagang Zhang, Hamid Hojaji, Shannon Marie Labernik, David L Melmeth, Thinh Pham, James A McFarlane: Engineered low-density heterogeneous microparticles and methods and formulations for producing the microparticles. James Hardie Technology, Knobbe Martens Olson & Bear, December 17, 2013: US08609244 (3 worldwide citation)

A low density material and a method for preparing a low-density material and precursor for forming a low-density material are provided. An aqueous mixture of inorganic primary component and a blowing agent is formed, the mixture is dried and optionally ground to form an expandable precursor. Such a ...


10
James A Gleeson, Kalynne H Paradis, Brian P Sloane, David L Melmeth, Dean M Seligman: Fiber cement building materials with low density additives. James Hardie Technology, Knobbe Martens Olson & Bear, May 22, 2012: US08182606 (2 worldwide citation)

This invention relates to a formulation with the addition of low density additives of volcanic ash, hollow ceramic microspheres or a combination of microspheres and volcanic ash or other low density additives into cementitious cellulose fiber reinforced building materials. This formulation is advant ...