公开(公告)号：DE3143870A1

公开(公告)日：1983-05-11

申请号：DE3143870

申请日：1981-11-05

Applicant: BASF AG

Inventor： SARNECKI WILHELM DIPL CHEM DR ,  KOVACS JENOE DIPL CHEM DR ,  LOESER WERNER DIPL ING DR ,  RUDOLF PETER DIPL CHEM DR ,  VAETH GUENTER

IPC: C01G49/02 ,  C01G49/06 ,  C01G49/08 ,  G11B5/706 ,  H01F1/11

Abstract: Acicular ferrimagnetic iron oxides are prepared by a process in which iron (III) oxide hydroxide consisting essentially of lepidocrocite is reduced at from 350 DEG to 600 DEG C. by means of an organic compound which is a synthetic polymer with a molecular weight of from 3,000 to 40,000 to give magnetite, which, if desired, is subsequently partially or completely oxidized with an oxygen-containing gas at from 200 DEG to 450 DEG C.

公开(公告)号：DE2543384A1

公开(公告)日：1977-04-07

申请号：DE2543384

申请日：1975-09-29

Applicant: BASF AG

Inventor： KOVACS JENOE DIPL CHEM DR ,  BLINNE GERD DIPL CHEM DR ,  KUERTEN HERIBERT DIPL ING DR ,  BRUCK WOLFGANG DIPL ING ,  WEINLE WERNER ING GRAD

IPC: C08J3/14 ,  C08L79/08

公开(公告)号：DE2630834A1

公开(公告)日：1977-03-24

申请号：DE2630834

申请日：1976-07-09

Applicant: BASF AG

Inventor： KOVACS JENOE DIPL CHEM DR ,  MAHNKE HARALD DIPL CHEM DR ,  TRAUTZ VOLKER DIPL CHEM DR ,  WEBER HEINZ DIPL CHEM DR ,  HESSE ANTON DIPL CHEM DR

IPC: C04B26/10 ,  C04B43/00 ,  B32B7/02 ,  C04B25/02 ,  C04B31/02 ,  C09K3/28 ,  E04B1/94

Abstract: Non-combustible insulating material having high resistance to fire over long periods and a density of 80-230 g/l comprises (A) 99-80% of an inorganic light particulate material of ave. particle size 0.05-3 mm and a bulk density of 30-150 g/l, and (B) 0-40% of fibrous or spherical inorganic additives. The particles are bonded together with (C) 1-20% of a temp. stable high mol. wt. binder with a permanent operational temp. of >100 degrees C according to DIN 53446. The material has good mechanical props. and does not produce any combustible or toxic gas on burning. It can be bonded with the usual covering layers, e.g. asbestos cement metal sheet, plaster board, and may also be used as a sandwich element. It can be applied to walls, floors and ceilings and may be used as heat-insulation in storage - or cold rooms.

公开(公告)号：DE2412180A1

公开(公告)日：1975-10-09

申请号：DE2412180

申请日：1974-03-14

Applicant: BASF AG

Inventor： CLADE WALTER ,  ROPTE ECKHARD DIPL CHEM DR ,  KOVACS JENOE DIPL CHEM DR ,  SPOOR HERBERT DIPL CHEM DR ,  ELZER GUNTER ING GRAD

IPC: B29C47/00 ,  B29B7/00 ,  B29C31/00 ,  B29C39/00 ,  B29C41/00 ,  B29C41/12 ,  B29C41/28 ,  B29C47/88 ,  B29D7/08

公开(公告)号：DE3124401A1

公开(公告)日：1983-01-27

申请号：DE3124401

申请日：1981-06-22

Applicant: BASF AG

Inventor： REITER UDO DIPL CHEM DR ,  KOVACS JENOE DIPL CHEM DR ,  SCHENCK HANS-UWE DIPL CHEM DR

IPC: C08G73/00 ,  B29C43/00 ,  C08G73/10 ,  C08J3/14 ,  C08L79/08

Abstract: A polyimide powder particularly suitable for the production of moldings by high pressure sintering is prepared by mixing a solution of an aromatic polyimido-acid, obtained by a conventional process and having an intrinsic viscosity of 1.5 to 2.5 dl/g, in an aprotic dipolar organic solvent, with a water-entraining agent, heating the mixture to the boiling point of the entraining agent, azeotropically distilling off the water formed, filtering off the polyimide powder which precipitates, washing it if appropriate, and drying it.

公开(公告)号：DE2854192A1

公开(公告)日：1980-06-26

申请号：DE2854192

申请日：1978-12-15

Applicant: BASF AG

Inventor： KOVACS JENOE DIPL CHEM DR

IPC: C08G18/67 ,  C08J3/07 ,  H01B3/30 ,  C09D3/72 ,  C09J3/16

Abstract: The invention relates to polyurethane coatings prepared from the reaction products of a polyester or polyether, a hydroxyl compound containing acetylenic or ethylenic unsaturation and an organic polyisocyanate.

公开(公告)号：DE2651226A1

公开(公告)日：1978-05-18

申请号：DE2651226

申请日：1976-11-10

Applicant: BASF AG

Inventor： KOVACS JENOE DIPL CHEM DR ,  MARX MATTHIAS DIPL CHEM DR ,  SPOOR HERBERT DIPL CHEM DR ,  EBERHARD PETER DIPL CHEM DR

IPC: C08L79/08 ,  C09D5/25 ,  C08J3/06 ,  C09J3/16

公开(公告)号：DE2651194A1

公开(公告)日：1978-05-18

申请号：DE2651194

申请日：1976-11-10

Applicant: BASF AG

Inventor： KOVACS JENOE DIPL CHEM DR ,  MARX MATTHIAS DIPL CHEM DR ,  EBERHARD PETER DIPL CHEM DR ,  JUNG HANS DIPL ING DR

IPC: C08L77/00 ,  C08L33/00 ,  C08L33/02 ,  C08L79/08 ,  C09D5/25 ,  C09D179/08 ,  C09J179/08 ,  H01B3/30 ,  C08J3/06 ,  C08J3/14 ,  C09J3/16

公开(公告)号：DE2425666A1

公开(公告)日：1975-12-11

申请号：DE2425666

申请日：1974-05-28

Applicant: BASF AG

Inventor： KOVACS JENOE DIPL CHEM DR ,  STEINBERGER ROLF DIPL CHEM DR

IPC: C08G69/00 ,  C08G69/32 ,  C08G73/00 ,  C08G73/14 ,  C08L79/08

公开(公告)号：DE2706768A1

公开(公告)日：1978-08-31

申请号：DE2706768

申请日：1977-02-17

Applicant: BASF AG

Inventor： JUNG HANS DIPL ING DR ,  DUSSEL WILHELM ,  KOVACS JENOE DIPL CHEM DR ,  LEHMANN HELMUT

IPC: H01B13/06 ,  H01B13/16