Class / Patent application number | Description | Number of patent applications / Date published |
564468000 | Preparing directly from ester, organic acid or salt, other than by reduction of nitrile | 6 |
20080281126 | PROCESS FOR PREPARING AMINES - An amine is prepared by cleaving a carbamate of the formula I | 11-13-2008 |
20090105504 | PROCESS FOR THE PREPARATION OF SATURATED OR UNSATURATED PRIMARY FATTY AMINES - Process for the preparation of unsaturated and saturated primary fatty amines comprising the steps of chlorination, treatment by ammonia, reduction and purification. | 04-23-2009 |
20090131722 | METHODS OF TREATING TRIETHANOLAMINE WITH ACID COMPONENTS AND BASIC COMPONENTS, AND TRIETHANOLAMINE COMPOSITIONS CONTAINING THE SAME - Methods for improving color properties of triethanolamine, and triethanolamine compositions treated thereby, are disclosed, wherein the methods comprise: (a) providing a composition comprising triethanolamine; and (b) contacting the composition with an acid component and a basic component; wherein the acid component comprises an acid selected from the group consisting of phosphorous acid, hypophosphorous acid and mixtures thereof; and wherein the basic component comprises a compound selected from the group consisting of alkali metal hydroxides, alkaline earth metal hydroxides, ammonium hydroxides according to general formula (I), and mixtures thereof:
| 05-21-2009 |
20110251432 | SYNTHESIS OF [18F]-LABELLED ALKYL MESYLATES USING FLUOROUS SPE SEPARATION - The invention relates to new processes for preparation of | 10-13-2011 |
20130018209 | PREPARATION METHODS OF METHYL-D3-AMINE AND SALTS THEREOFAANM Gao; XiaoyongAACI KunshanAACO CNAAGP Gao; Xiaoyong Kunshan CNAANM Feng; WeidongAACI KunshanAACO CNAAGP Feng; Weidong Kunshan CNAANM Dai; XiaojunAACI KunshanAACO CNAAGP Dai; Xiaojun Kunshan CN - Preparation methods of methyl-d | 01-17-2013 |
20140194652 | Process for Recovery of Alkanolamines Used in Amine Sweetening Processes - A process for recovering an alkanolamine from a used gas scrubbing stream wherein a dynamic reaction system is employed to maximize conversion of bis-urea compounds typically formed in the gas scrubbing operation into the alkanolamine and minimize the formation of amino ethers which irreversibly convert the alkanolamine. A method of removing waste products from the system by the use of a wiped film evaporator. | 07-10-2014 |