Compositions – Compositions containing a single chemical reactant or plural... – Organic reactant
Patent
1989-11-29
1991-07-23
Lieberman, Paul
Compositions
Compositions containing a single chemical reactant or plural...
Organic reactant
252146, 252180, 252173, 25217421, 25217422, 252 82, 252DIG14, 134 41, C02F 510, C02F 1110, C11D 708, C11D 750
Patent
active
050341480
ABSTRACT:
This invention relates to a cleansing composition comprising a detergent and an acid salt and/or a complex of formic acid which has more than one chemical equivalent of formate ion per cation other than hydrogen. The compositions are suitable for cleaning stains and iron oxide deposits caused by the braking mechanism of railway carriages.
REFERENCES:
patent: 4092273 (1978-05-01), Inamorato
patent: 4305837 (1981-12-01), Kaminsky et al.
patent: 4318818 (1982-03-01), Letton
patent: 4323461 (1982-04-01), Quinlan
patent: 4368147 (1983-01-01), Inamorato
patent: 4486329 (1984-12-01), Ellis et al.
patent: 4507219 (1985-04-01), Hughes
BP Chemicals Limited
Lieberman Paul
McCarthy Kevin D.
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