公开(公告)号：DE2706076A1

公开(公告)日：1978-08-24

申请号：DE2706076

申请日：1977-02-12

Applicant: BASF AG

Inventor： FOUQUET GERD DR ,  MERGER FRANZ DR ,  PLATZ ROLF DR ,  BAER KARL DR

IPC: C07C51/353 ,  C07C69/54 ,  B01J31/04 ,  C07C51/00 ,  C07C57/04 ,  C07C67/24

Abstract: Methacrylic acid and methyl methacrylate CH2 = C(CH3)-COOR' (where R1 is H or Me) are made by reacting propionic acid or methyl propionate CH3-CH2-COOR' with formaldehyde dimethylacetal CH3-O-CH2-O-CH3 (I) for 0.1-100 seconds. Reactions is in the presence of (i) 0-0.5 moles water per mol (I) and (ii) a catalyst comprising phosphates and/or silicates of Mg, Ca, Al, Zr, Th or Ti, opt. with the addn. of oxides of Zr, Al, Th and/or Ti and/or boric acid and/or urea. Catalyst is opt. modified by alkali(ne earth) carboxylates or cpds. forming these under the prevailing conditions, pref. with alkali propionate, KOH or LiOH. Process proceeds with high space-time yield and high selectivity to the prodn. of the desired prod. No additional diluent is required and the post treatment for recovery of the prod. is simple and economical in expenditure of energy. The unconverted (I) is easily recycled to the reaction.

公开(公告)号：DE2255510A1

公开(公告)日：1974-05-22

申请号：DE2255510

申请日：1972-11-13

Applicant: BASF AG

Inventor： WILFINGER HANS-JOERG DR ,  PLATZ ROLF DR ,  FUCHS WERNER DR

IPC: C07D303/04 ,  C07D1/08

Abstract: Mfre. of styrene oxide by direct oxidn. of styrene with mol. oxygen in liquid phase, in presence of a sol. metal catalyst comprising a Group VIb or VIIb metal cpd. or an Fe-, Co- or Ni-cpd. is clamined. Fe-ethylhexanate is suitable. Catalyst is easier to handle than prior-art per-acid catalysts. Undesirable polymer formation is minimised.

公开(公告)号：DE2243858A1

公开(公告)日：1974-04-11

申请号：DE2243858

申请日：1972-09-07

Applicant: BASF AG

Inventor： PATSCH MANFRED DR ,  BAUR KARL GERHARD DR ,  EILINGSFELD HEINZ DR ,  PLATZ ROLF DR

IPC: C07C17/26 ,  B01J27/00 ,  B01J31/00 ,  C07C17/00 ,  C07C17/281 ,  C07C25/22 ,  C07C67/00 ,  C07C23/34

公开(公告)号：DE2112127A1

公开(公告)日：1972-09-21

申请号：DE2112127

申请日：1971-03-13

Applicant: BASF AG

Inventor： PLATZ ROLF DR ,  FUCHS WERNER DR ,  SCHOENAICH GUENTHER DR

IPC: C01C1/16

Abstract: Gas mixture, pref. resulting from the burning of alkyl iodides in an oxide hydrogenation process and contg. iodine vapour and a 10-20 fold molar excess of NH3 as a reducing agent (and opt. a 10-20 fold molar excess of O2 w.r.t. iodine) is heated at 300-1000 degrees C. and then quenched with water at >70 degrees C.

公开(公告)号：DE1768460B1

公开(公告)日：1972-05-31

申请号：DE1768460

申请日：1968-05-16

Applicant: BASF AG

Inventor： NAGEL OTTO DR ,  PLATZ ROLF DR ,  TAGLIEBER KURT DIPL-ING ,  WEINFURTNER KURT DIPL-ING ,  WOLF DIETER DR

IPC: C07C7/00 ,  F25J3/02 ,  C07C7/02

Abstract: A gas mixture (obtained by thermal cracking of hydrocarbons followed by quenching of the cracked gas and freed from carbon dioxide and water) is separated into a gas mixture containing hydrogen, carbon monoxide and methane and another gas mixture containing ethylene, acetylene and higher hydrocarbons by (a) cooling the gas mixture which is at superatmospheric pressure in at least one condensation stage to a temperature which is above the solidification temperature of acetylene mixed with the other condensed constituents, (b) separating the condensate thus obtained and subdividing it in a rectifying column into a first mixture containing C2 hydrocarbons and a second mixture containing C3 and higher hydrocarbons, and (c) freeing the residual gas remaining from (a) from residual acetylene and ethylene in a scrubber by treatment with some of the mixture consisting of C3 and higher hydrocarbons from (b).

公开(公告)号：DE1643685B1

公开(公告)日：1971-10-21

申请号：DE1643685

申请日：1967-10-27

Applicant: BASF AG

Inventor： NAGEL OTTO DR ,  PLATZ ROLF DR ,  TAGLIEBER KURT DIPL-ING ,  WEINFURTER KURT DIPL-ING

IPC: C07C7/11 ,  F25J3/08

公开(公告)号：CH510087A

公开(公告)日：1971-07-15

申请号：CH1364768

申请日：1968-09-12

Applicant: BASF AG

Inventor： ROTERMUND GERHARD DR ,  PLATZ ROLF DR ,  DECKER MARTIN DR ,  STECHL HANNS-HELGE DR

IPC: C09B47/04 ,  C09B47/06 ,  C09B47/067

公开(公告)号：DE1643727A1

公开(公告)日：1971-07-01

申请号：DE1643727

申请日：1967-12-29

Applicant: BASF AG

Inventor： MERGER FRANZ DR ,  PLATZ ROLF DR ,  NEBE ERICH DR

IPC: C07C45/72 ,  C07C47/18

公开(公告)号：DE1643722A1

公开(公告)日：1971-06-24

申请号：DE1643722

申请日：1967-12-22

Applicant: BASF AG

Inventor： PALM CHRISTOF DR ,  PLATZ ROLF DR ,  FREY WALTER DR ,  MAGNUSSEN PETER DR ,  ROTERMUND GERHARD DR ,  DECKER MARTIN DR

IPC: C01B32/50

公开(公告)号：DE1643750A1

公开(公告)日：1971-05-06

申请号：DE1643750

申请日：1968-01-30

Applicant: BASF AG

Inventor： DOCKNER TONI DR ,  PLATZ ROLF DR

IPC: C07C51/235 ,  C07D7/06