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
GB19410/39A
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ALES KAPRAL
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ALES KAPRAL
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Publication date
Application filed by ALES KAPRALfiledCriticalALES KAPRAL
Publication of GB530809ApublicationCriticalpatent/GB530809A/en
B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
B01J20/20—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising free carbon; comprising carbon obtained by carbonising processes
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Chemical & Material Sciences
(AREA)
Inorganic Chemistry
(AREA)
Analytical Chemistry
(AREA)
Organic Chemistry
(AREA)
Chemical Kinetics & Catalysis
(AREA)
Filtering Materials
(AREA)
Abstract
530,809. Bone black. KAPRAL, A. July 4, 1939, No. 19410. Convention date, Nov. 8, 1938. [Class 90] Bones from which the gelatin has been extracted are impregnated with carbonaceous materials such as molasses, and calcined in known manner. A hardening agent such as waterglass may be mixed with the molasses &c.
GB19410/39A1938-11-081939-07-04A process for the manufacture of filtering massees for bleaching and absorbing purposes
ExpiredGB530809A
(en)
Process for the production of photographic material, in particular for subtractive multicolor images, and photographic material produced by this process.