Segregation reducing agent for hydraulic composition and hydraul

Details Segregation reducing agent for hydraulic composition and hydraul Segregation reducing agent for hydraulic composition and hydraul

1993-09-14

1994-12-27

Green, Anthony

Compositions: coating or plastic

Coating or plastic compositions

Inorganic settable ingredient containing

106205, 106209, 106802, 106805, 106823, 428403, 428407, C04B 2410

Patent

active

053761731

ABSTRACT:
A segregation reducing agent for a hydraulic composition which is obtained by adding a water-soluble thickener to a culture of a microorganism capable of producing a .beta.-1,3-glucan selected from the group consisting of curdlan, palamylon and pachyman, in a sufficient amount to give a viscosity to the culture of from about 200 to 2000 cp, followed by spray drying so as to form a powder having a core of the .beta.-1,3-glucan and a coating of the water-soluble thickener.

REFERENCES:
patent: 4047967 (1977-09-01), Majidzadeh et al.
patent: 4090016 (1978-05-01), Tsuji et al.
patent: 4462836 (1984-07-01), Baker et al.
patent: 4683150 (1987-07-01), Hirao et al.
patent: 5154771 (1992-10-01), Wada et al.
patent: 5174821 (1992-12-01), Matsuoka et al.
patent: 5221790 (1993-06-01), Besnard et al.

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