China Railway 20th Bureau and others applied for a patent for a polycarboxylate superplasticizer with high slump retention and anti

According to the China National Intellectual Property Administration, China Railway 20th Bureau Group Co.

, Ltd; China Railway Construction Science and Technology Testing Co.

, Ltd.

has applied for a patent entitled “A high slump retention and anti flocculation polycarboxylate superplasticizer for concrete and its preparation method”, with publication number CN120098205A, filed in March 2025.

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.