Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...
Reexamination Certificate
2005-08-30
2005-08-30
Cheung, William K. (Department: 1713)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Polymers from only ethylenic monomers or processes of...
C526S317100, C526S303100, C266S197000
Reexamination Certificate
active
06936673
ABSTRACT:
An anti-bonding agent for blast furnace slag or its grading adjusted slag which includes one or more polymers having a main constituent unit shown byby a greater molar percentage than any other constituent unit where M is hydrogen atom, alkali metal such as sodium, alkali earth metal, ammonium or organic amine is used in an amount of 0.002-0.3 weight parts for 100 weight parts of such blast furnace slag or its grading adjusted slag, and may be applied as an aqueous solution with concentration of 1.5-10 weight %.
REFERENCES:
patent: 2833745 (1958-05-01), Fikentscher
Kinoshita Mitsuo
Mitsufuji Hiroyuki
Sugiyama Tatsushi
Takahashi Tomoo
Wada Takashi
Beyer Weaver & Thomas LLP
Cheung William K.
Kokan Mining Co., Ltd.
Takemoto Yushi Kabushiki Kaisha
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