MUMBAI, India, June 30 -- Intellectual Property India has published a patent application (202641074988 A) filed by Sr University on June 17, 2026, for A Concrete Curing System Comprising Coarse Aggregates Obtained From Debris Of Autoclaved Aerated Concrete (aac) Blocks.

Inventors include Katam Sambasiva Rao; Dr. K. Poongodi; and Dr. P. Murthi.

The application for the patent was published on June 26, 2026, under issue no. 26/2026.

Abstract: A CONCRETE CURING SYSTEM COMPRISING COARSE AGGREGATES OBTAINED FROM DEBRIS OF AUTOCLAVED AERATED CONCRETE (AAC) BLOCKS Present invention relates to a concrete curing system comprising coarse aggregates obtained from debris of autoclaved aerated concrete (AAC) blocks, characterized in that 20–30% of natural coarse aggregates are replaced with pre wetted AAC aggregates sized between 10–20 mm to act as internal reservoirs for sustained hydration, wherein the concrete mix design maintains a water to cement ratio between 0.3–0.45, and the specimens are externally shielded with polyurethane (PU) covers of thickness 2–3 mm to prevent evaporation and environmental moisture ingress, thereby achieving enhanced compressive strength, reduced shrinkage, and improved durability compared to conventional curing methods.

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