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Hideo Koyata

W. R. Grace and Company

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Publication

Featured researches published by Hideo Koyata.

Cement & Concrete Composites | 1996

Dispersant composition for cement having excellent property in inhibition of slump-loss

Susumu Honda; Tadashi Hara; Hideo Koyata

A cement admixture which when added to a cement composition, such as cement mortar or concrete inhibits slump-loss of the cement composition and improve its workability and applicability. The admixture is composed of copolymers from an alkenyl ether, a polyalkenyl ether and maleic anhydride.

Archive | 1995

Cement admixture product having improved rheological properties and process of forming same

David Charles Darwin; Ellis Martin Gartner; Byong-Wa Chun; Hideo Koyata; Lawrence Lu Kuo

Archive | 1993

Cement and cement composition having improved rheological properties

David Charles Darwin; Ellis Martin Gartner; Byong-Wa Chun; Hideo Koyata; Lawrence L. Kuo

Archive | 1998

Admixture and method for optimizing addition of eo/po superplasticizer to concrete containing smectite clay-containing aggregates

Leslie A. Jardine; Hideo Koyata; Kevin J. Folliard; Chia-Chih Ou; Felek Jachimowicz; Byong-Wa Chun; Ara A. Jeknavorian; Christon L. Hill

Archive | 1993

Cement admixture composition

Hideo Koyata; Susumu Honda

Archive | 1991

Additive composition for cement admixture

Hideo Koyata; Tomoyuki Tsutsumi

Archive | 2006

Slump retention in cementitious compositions

Ara A. Jeknavorian; Hideo Koyata; Darrick B. Mcguire; Ivana Jovanovic

Archive | 2001

Admixture composition for optimizing EO/PO plasticizer addition

Leslie A. Jardine; Hideo Koyata; Kevin J. Folliard; Chia-Chih Ou; Felek Jachimowicz; Byong-Wa Chun; Ara A. Jeknavorian; Christon L. Hill

Archive | 2009

Slump retaining admixture for modifying clay activity in concrete

Hideo Koyata; Shuqiang Zhang; Byong-Wa Chun

Archive | 2001

Admixture for optimizing addition of EO/PO plasticizers

Leslie A. Jardine; Hideo Koyata; Kevin J. Folliard; Chia-Chih Ou; Felek Jachimowicz; Byong-Wa Chun; Ara A. Jeknavorian; Christon L. Hill

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Byong-Wa Chun

W. R. Grace and Company

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Ara A. Jeknavorian

W. R. Grace and Company

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Felek Jachimowicz

W. R. Grace and Company

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Chia-Chih Ou

W. R. Grace and Company

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Susumu Honda

W. R. Grace and Company

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Christon L. Hill

W. R. Grace and Company

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Kevin J. Folliard

W. R. Grace and Company

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Leslie A. Jardine

W. R. Grace and Company

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David Charles Darwin

W. R. Grace and Company

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Ellis Martin Gartner

W. R. Grace and Company

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