Compositions – Water-softening or purifying or scale-inhibiting agents
Patent
1989-05-01
1991-05-21
Pal, Asok
Compositions
Water-softening or purifying or scale-inhibiting agents
25217424, 252381, 252382, 252DIG2, 252DIG3, 252DIG8, 134 4, 134 38, C11D 1000, B08B 700
Patent
active
050173030
ABSTRACT:
A paint peeling composition contains as effective components thereof 17 to 25 weight percent of polyvinylalcohol or 2 to 12 weight percent of an acrylic resin or polyvinyl acetate and a subsstance which when heated is in the form of minute shells enclosing a gas or vapor, the shells being thermally expandable without rupturing.
REFERENCES:
patent: 2811456 (1957-10-01), Coleman
patent: 3635827 (1972-01-01), Jakobi
patent: 3689435 (1972-09-01), Berni
patent: 3819525 (1974-06-01), Hatterbrun
patent: 3846172 (1974-11-01), Fossatti
patent: 3979339 (1976-09-01), Claybaugh
patent: 4199375 (1980-04-01), Muller
patent: 4626372 (1986-12-01), Kaufmann
patent: 4844833 (1989-07-01), Komatsu et al.
Komatsu Keisaku
Owatari Toshimi
Yamada Takashi
Kaken Tech Co., Ltd.
Pal Asok
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