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HEYL AND Co GEB
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HEYL AND Co GEB
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Publication of GB190424238ApublicationCriticalpatent/GB190424238A/en
Encapsulation Of And Coatings For Semiconductor Or Solid State Devices
(AREA)
Inorganic Compounds Of Heavy Metals
(AREA)
Battery Electrode And Active Subsutance
(AREA)
Abstract
24,238. Heyl & Co., Gebr. and Wultze, A. June 11, [date applied for under Patents Act, A.D. 1901]. White lead.-Carbon dioxide is passed under pressure into a neutral solution of lead acetate, and white lead is precipitated. The yield and quality of the product are improved by using dilute solutions.
GB190424238D1904-06-111904-11-09An Improved Process for Manufacturing White Lead
ExpiredGB190424238A
(en)