US 2020/0290930 A1

Improved manufactured natural pozzolan, improved manufactured natural pozzolan-based cement and method of making and using same

(22) 26.04.2020

(43) 17.09.2020

(57) The present invention comprises a product. The product comprises a first mineral in particulate form and having a first pozzolanic reactivity and a second mineral in particulate form and having a second pozzolanic reactivity greater than the first reactivity, wherein the surface of at least some of the particles of the first mineral is at least partially covered with particles of the second mineral. A method of making the composition of the present invention is also disclosed.

(71) Romeo Ilarian Ciuperca, Atlanta, GA (US)

Issue 1/2024 US 2023/0373859 A1

Pozzolan based cement and method of making and using same

(22) 18.05.2023(43) 23.11.2023(57) A process to enhance the pozzolanic activity of a natural inactive sedimentary pozzolan and the pozzolanic material formed by the process are described. The process...

Issue 8/2022 EP 4 067 321 A1

Cement comprising cement clinker and a pozzolanic-type supplementary cementitious material

(22) 30.03.2022(43) 05.10.2022(57) The present invention relates to a cement comprising cement clinker and a supplementary cementitious material, wherein said supplementary cementitious material...

Issue 9/2020 UNIVERSITY OF BLIDA I UNIVERSITY OF CERGY PONTOISE I ISTANBUL UNIVERSITY-CERRAHPASA

Assessment of the effect of fine and coarse recycled aggregates and natural pozzolan on various properties of self-compacting concrete

This paper reports on the fresh, mechanical and durability properties of composite self-compacting concrete made by the substitution of 0%, 50%, and 100% recycled concrete aggregate for natural...

Issue 5/2022 US 2022/0153641 A1

Hyaloclastite, sideromelane or tachylite pozzolan-based geopolymer cement and concrete and method of making and using same

(22) 01.02.2022(43) 19.05.2022(57) The invention comprises a cementitious material comprising a natural pozzolan selected from hyaloclastite, sideromelane or tachylite, wherein the natural pozzolan...

Hyaloclastite, sideromelane or tachylite pozzolan-based geopolymer cement and concrete and method of making and using same">more

Issue 5/2021 MENDELEEV UNIVERSITY OF CHEMICAL TECHNOLOGY | BAUHAUS-UNIVERSITÄT WEIMAR

Composite gypsum binders with improved water resistance

Compositions of composite gypsum binder with various active mineral additives have been developed by the authors. It is revealed that the introduction of additives in an optimal amount increases the...

ZKG 11-12/2020