Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB3666729A
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IG Farbenindustrie AG
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IG Farbenindustrie AG
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Filing date
Publication date
Application filed by IG Farbenindustrie AGfiledCriticalIG Farbenindustrie AG
Publication of GB334144ApublicationCriticalpatent/GB334144A/en
Organic Low-Molecular-Weight Compounds And Preparation Thereof
(AREA)
Abstract
334,144. I. G. Farbenindustrie Akt.- Ges. Nov. 29, 1928, [Convention date]. Reducing intensity.-To render the action of photographic reducers uniform, the product of the action of the reducer on the silver image is added to the solution in such quantity that the further formation of the product during the reaction has no effect on the action of the reducer. Examples are given of the addition of ferrous oxalate to a ferric oxalate reducer, and of potassium sulphate to a reducer containing potassium bichromate, and potassium bisulphate.
Procedure for the obtaining of a conglomerate of algae, favoring the weight loss in people (Machine-translation by Google Translate, not legally binding)
A chemical procedure for the production of lightly brilliant surfaces on aluminum and aluminum alloys (Machine-translation by Google Translate, not legally binding)