![]() ![]() S()(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 10 OSGAYBCDTDRGGQ-UHFFFAOYSA-L Calcium sulfate Chemical compound.VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicium dioxide Chemical compound O=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 12.229910002092 carbon dioxide Inorganic materials 0.000 description 12.CURLTUGMZLYLDI-UHFFFAOYSA-N carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 12.239000004566 building material Substances 0.000 description 14.-1 silicate hydrates Chemical class 0.000 description 16.239000004570 mortar (masonry) Substances 0.000 abstract description 20.238000004519 manufacturing process Methods 0.000 abstract description 34.239000000463 material Substances 0.000 abstract description 70.229910052570 clay Inorganic materials 0.000 claims description 24.XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 144.230000001603 reducing Effects 0.000 claims abstract description 32.108090000790 Enzymes Proteins 0.000 claims abstract description 204.102000004190 Enzymes Human genes 0.000 claims abstract description 204.239000000203 mixture Substances 0.000 claims abstract description 208.229910052602 gypsum Inorganic materials 0.000 title abstract description 222.239000010440 gypsum Substances 0.000 title abstract description 222.239000004568 cement Substances 0.000 title claims abstract description 446.Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.) Filing date Publication date Priority claimed from US71169405P external-priority Application filed by Individual filed Critical Individual Priority to US12/065,088 priority Critical patent/US7922810B2/en Publication of US20080223259A1 publication Critical patent/US20080223259A1/en Application granted granted Critical Publication of US7922810B2 publication Critical patent/US7922810B2/en Status Active legal-status Critical Current Adjusted expiration legal-status Critical Links ![]() Original Assignee Individual Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.) ( en Inventor Josef Atoon Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Active, expires Application number US12/065,088 Other versions US20080223259A1 Google Patents Compressive strength improvement of cement and gypsum productsÄownload PDF Info Publication number US7922810B2 US7922810B2 US12/065,088 US6508806A US7922810B2 US 7922810 B2 US7922810 B2 US 7922810B2 US 6508806 A US6508806 A US 6508806A US 7922810 B2 US7922810 B2 US 7922810B2 Authority US United States Prior art keywords cement gypsum enzyme aggregate composition Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. Google Patents US7922810B2 - Compressive strength improvement of cement and gypsum products US7922810B2 - Compressive strength improvement of cement and gypsum products ![]()
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