Jonathan E Dongell

8317916, Nov 27, 2012

Sep 9, 2010

12/878986

Jonathan E. Dongell - Scottsdale AZ, US

Pebble Technology, Inc. - Scottsdale AZ

C04B 16/02

106705, 106716, 106718, 106724, 106726, 106737, 106819, 106823, 106DIG 1

A zinc-oxide based set retardant additive and admixture for use in Portland cement or other hydraulic cement mixtures. The admixture may comprise silica fume, vitreous calcium aluminosilicate, magnesium aluminum silicate hydrate, a cellulose ether derivative, or their equivalents. The zinc-oxide based set retardant may be interground or pre-blended, pre-packaged, or added on the jobsite, as an admixture, additive, or addition. The zinc-based set retardant may be subsequently added or mixed into a ready mix or wet mixture of portland cement or other hydraulic cement, sand and/or aggregate, with or without fillers, and water, with or without other pozzolans or polymers.

20030233962, Dec 25, 2003

Jun 21, 2002

10/177918

Jonathan Dongell - Scottsdale AZ, US

C04B007/13

106/709000, 106/705000, 106/706000, 106/708000

A pozzolan admixture composition suitable for use in portland cement mixtures and mix designs that, when combined with; portland cement, sand and/or aggregate, and water, are used to prepare cementitious products. The admixture contains ultra-fine fly ash, calcined kaolin, fused silica, and cellulose ether derivative. A pozzolan-modified portland cement composition containing the present invention's composition inter-ground or inter-blended with a portland cement. The pozzolan-modified portland cement contains portland cement, ultra-fine fly ash, calcined kaolin, fused silica, and a cellulose ether derivative. An admixture, additive, or addition, based on the present invention's composition, inter-ground or inter-blended into portland cement to create such pozzolan-modified portland cements. An admixture, additive, or addition, based on the present invention, that is subsequently added or mixed into a read-mix or wet mixture of portland cement, sand and/or aggregate, and water, containing ultra-fine fly ash, calcined kaolin, fused silica, and cellulose ether derivative.

55889905, Dec 31, 1996

Nov 3, 1995

8/552635

Jonathan E. Dongell - Scottsdale AZ

Universal Cement & Concrete Products, Inc. - Glendale AZ

C04B 2206

106716

Blended cement compositions for mixture with aggregate and water to prepare cementitious products. Such blended cement compositions contain cement, calcined diatomaceous earth, calcined kaolin, and about 0. 5% to about 4% (w/w) of potassium, with or without talc and/or bentonite or their functional equivalents. Admixtures for blending into cement to create such blended cements or their read-mix equivalents contain calcined kaolin, calcined diatomaceous earth, and potassium, with or without talc and/or bentonite or their functional equivalents.