Patent application number | Description | Published |
20090299023 | METHOD FOR PRODUCING ACETONE CYANHYDRIN AND THE SUBSEQUENT PRODUCTS THEREOF BY SPECIFIC COOLING - The present invention relates in general terms to a process for preparing acetone cyanohydrin, comprising as steps:
| 12-03-2009 |
20100004417 | METHOD FOR THE ADSORPTIVE PURIFICATION OF ALKYL METHACRYLATES - The invention relates in general terms to a process for preparing to a process for purifying an alkyl methacrylate, comprising the steps of:
| 01-07-2010 |
20100029881 | METHOD FOR PRODUCING METHACRYLIC ALKYL ESTERS BY WAY OF AZEOTROPIC DISTILLATION - The present invention relates in general terms to a process for preparing alkyl methacrylates, comprising as steps:
| 02-04-2010 |
20100056742 | PROCESS AND APPARATUS FOR PREPARING ALKYL ESTERS OF METHACRYLIC ACID - The present invention relates to a process for preparing alkyl methacrylates and their conversion products which can be used in a multitude of chemical synthesis processes which can lead to a wide variety of different further processing products, and to an apparatus for performing this process. | 03-04-2010 |
20100069594 | PRODUCTION BY DISTILLATION OF ACETONE CYANHYDRIN AND METHOD FOR PRODUCING METHACRYLIC ESTER AND SUBSEQUENT PRODUCTS - The present invention relates in general terms to a process for preparing acetone cyanohydrin, comprising as steps:
| 03-18-2010 |
20100069662 | INTEGRATED PROCESS AND APPARATUS FOR PREPARING ESTERS OF METHACRYLIC ACID FROM ACETONE AND HYDROCYANIC ACID - The subject-matter of the present invention relates in principle to a process for preparing alkyl esters of methacrylic acid and its conversion products, which can be used in a multitude of chemical synthesis processes which can lead to a wide variety of different further processing products, and to an apparatus for performing this process. | 03-18-2010 |
20100076214 | PROCESS FOR PREPARING CYANOHYDRINS AND THEIR USE IN THE PREPARATION OF ALKYL ESTERS OF METHACRYLIC ACID - The invention relates to a process for preparing acetone cyanohydrin and to a process for preparing alkyl methacrylates, in which an acetone cyanohydrin as can be prepared in accordance with the present invention is used. | 03-25-2010 |
20100249449 | METHOD FOR AMIDATING OF NITRILE IN THE PRESENCE OF SULFURIC ACID - The present invention relates to a process for preparing carboxamides by amidating nitriles in the presence of sulphuric acid, wherein the reaction is performed in a Taylor reactor. The process enables a simple and inexpensive preparation of these compounds. The present invention further provides processes for preparing (meth)acrylamides and alkyl(meth)acrylates, which comprise an inventive amidation reaction. | 09-30-2010 |
20100314239 | METHOD FOR PURIFYING METHACRYLIC ACID - The present invention relates to a process for purifying methacrylic acid, wherein the reaction mixture obtained by a reaction of methacrylamide with water is cooled by mixing with an aqueous medium and then passed into a phase separator. | 12-16-2010 |
20100331572 | METHOD FOR PRODUCING METHACRYLIC ACID - The present invention relates to a method for producing methacrylic acid by reacting methacrylamide with water, wherein said reaction is performed continuously in a tube reactor and a pressure differential exists in the flow direction of the reaction mixture inside said tube reactor. Furthermore, the present invention discloses a facility for carrying out the method according to the invention. | 12-30-2010 |
20110171101 | REACTOR FOR PREPARING HYDROGEN CYANIDE BY THE ANDRUSSOW PROCESS - The present invention relates to a reactor ( | 07-14-2011 |
20120004460 | METHOD FOR PRODUCING METHACRYLIC ACID - The present invention relates to a method for producing methacrylic acid by reacting methacrylamide with water, wherein said reaction is performed continuously in a tube reactor and a pressure differential exists in the flow direction of the reaction mixture inside said tube reactor. Furthermore, the present invention discloses a facility for carrying out the method according to the invention. | 01-05-2012 |
20120010430 | METERING RING - The present invention relates to an apparatus for metering flowable media or gases, and to the use thereof. | 01-12-2012 |
20130211140 | METERING RING - The present invention relates to an apparatus for metering flowable media or gases, and to the use thereof. | 08-15-2013 |
20150045577 | METHOD FOR HYDROLYSING ACETONE CYANOHYDRIN - The present invention relates to a process for hydrolysis of acetone cyanohydrin (ACH) by means of sulphuric acid within the ACH sulpho process for preparation of methacrylic acid (MAA) or methyl methacrylate (MMA). | 02-12-2015 |