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
GB127229A
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.)
IG Farbenindustrie AG
Original Assignee
IG Farbenindustrie 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 date
Application filed by IG Farbenindustrie AGfiledCriticalIG Farbenindustrie AG
Priority to GB127229ApriorityCriticalpatent/GB328005A/en
Publication of GB328005ApublicationCriticalpatent/GB328005A/en
C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
C01B21/00—Nitrogen; Compounds thereof
C01B21/082—Compounds containing nitrogen and non-metals and optionally metals
C01B21/12—Carbamic acid or thiocarbamic acid; Salts thereof
C01B21/125—Metal carbamates
Landscapes
Chemical & Material Sciences
(AREA)
Organic Chemistry
(AREA)
Inorganic Chemistry
(AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof
(AREA)
Abstract
328,005. Johnson, J. Y., (I. G. Farbenindustrie Akt.-Ges.). Jan. 14, 1929. Urea is obtained by heating metal carbamates to 150-180‹ C. with liquid ammonia under pressure, or according to the Provisional Specification by heating with alcohol.
GB127229A1929-01-141929-01-14Improvements in the manufacture and production of carbamates and conversion products of the same
ExpiredGB328005A
(en)