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 - Lifetime
Application number
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hoechst AG
Original Assignee
Hoechst AG
Farbwerke Hoechst AG
Priority date (The priority date 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 date listed.)
Filing date
Publication of GB191225492ApublicationCriticalpatent/GB191225492A/en
Application filed by Hoechst AG, Farbwerke Hoechst AGfiledCriticalHoechst AG
C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
C09B7/00—Indigoid dyes
C09B7/02—Bis-indole indigos
C09B7/04—Halogenation thereof
Landscapes
Chemical & Material Sciences
(AREA)
Organic Chemistry
(AREA)
Silicates, Zeolites, And Molecular Sieves
(AREA)
Abstract
25,492. Farbwerke vorm. Meister, Lucius, & Br³ning. Nov. 7, 1911, [Convention date]. Void. [Published under Section, 91 of the Act.] Magnesium silicate. - A hydrated magnesium silicate is obtained by precipitating magnesium chloride solution with sodium silicate and caustic soda.
GB191225492D1911-11-071912-11-06Improved Manufacture of Indigo.
Expired - LifetimeGB191225492A
(en)