239000001923 methylcellulose Substances 0.000 description 9.229910000147 aluminium phosphate Inorganic materials 0.000 description 19.NBIIXXVUZAFLBC-UHFFFAOYSA-N phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 38.JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=O=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 title description 26.Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.) Filing date Publication date Application filed by Friedmann Herbert filed Critical Friedmann Herbert Priority to US319250A priority Critical patent/US2221968A/en Application granted granted Critical Publication of US2221968A publication Critical patent/US2221968A/en Anticipated expiration legal-status Critical Status Expired - Lifetime legal-status Critical Current Links Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Expired - Lifetime Application number US319250A Inventor Friedmann Herbert Original Assignee Friedmann Herbert Priority date (The priority date is an assumption and is not a legal conclusion.
#Liquid rust remover pdf#
Google Patents US2221968A - Rust removerĭownload PDF Info Publication number US2221968A US2221968A US319250A US31925040A US2221968A US 2221968 A US2221968 A US 2221968A US 319250 A US319250 A US 319250A US 31925040 A US31925040 A US 31925040A US 2221968 A US2221968 A US 2221968A Authority US United States Prior art keywords rust phosphoric acid cellulose paste rust remover Prior art date Legal status (The legal status is an assumption and is not a legal conclusion.
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