专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

31. 发明专利

SK278615B6 METHOD FOR PREPARATION OF THE LIQUID CONCENTRATE FOR STABILIZING POLYMERIC MATERIALS 未知
公开(公告)号：SK278615B6
公开(公告)日：1997-11-05
申请号：SK472788
申请日：1988-07-01
申请人： HUMPLIK ANTONIN , GOGH TIBOR , KARVAS MILAN , DURMIS JULIUS , ORLIK IVO , GOGHOVA MARCELA , HORAKOVA RENATA , ZMITKO JIRI
发明人： HUMPLIK ANTONIN , GOGH TIBOR , KARVAS MILAN , DURMIS JULIUS , ORLIK IVO , GOGHOVA MARCELA , HORAKOVA RENATA , ZMITKO JIRI
IPC分类号： C08K5/18
摘要： The concentrate containing 30 up to 70 weight percent of mixture closed to the compounds with a general formula (I), where the symbols R1 and R2 are of the same meaning or of the different one and they mean alpha methyl benzyl or alpha dimethylbenzyl, the symbol x means integer in a value of 0 up to 2 and the symbol y means integer in a value of 0 up to 3 and this mixture is soluble in 70 up to 30 % of softener, while this softener consists of the mixture closed to aromatic and/or naphthenic hydrocarbons, is being prepared based on the alyklation of diphenylamine with styrene or with the mixture of styrene and alpha methyl styrene, at the temperature of 80 up to 120 Celsius degrees, while bleaching clay is present and acting as the catalyst, however the ration of diphenylamine and styrene is 1 : 1,5 up to 2,0. Water contained in the product, carried in that process by the used bleaching clay, however this product is created as a result of the reaction mixture filtration, is removed with the use of vacuum distillation, and the filtration cake is prepared which consists of the part closed to the reaction product and of the used catalyst, this cake is washed at the temperature of 80 up to 180 Celsius degrees, at the pressure of 2,5 up to 40 kPa, with the use of softener in a multiply excess (3 up to 8) related to the reaction product quantity contained in the filtration cake, and the such colature is mixed with the above mentioned isolated reaction product and softener, while water was removed of this cake before this mixing started. Water carried in this process also can be removed with the use of the vacuum distillation closed the starting the starting consisting of diphenylamine and bleaching clay, before feeding of styrene is started and the rest of water can be removed based on the distillation closed to the resulted reaction mixture, while the used catalyst can be removed of it. The liquid concentrate is applied to stabilise polymers, related to caoutchouc family especially, to prevent the thermic or thermo-oxidising degradation.

32. 发明专利

CS261084B1 4-/ALPHA,ALPHA-DIMETHYLBENZYL-DIPHENYLAMINE AND METHOD OF ITS PREPARATION 未知
公开(公告)号：CS261084B1
公开(公告)日：1989-01-12
申请号：CS37487
申请日：1987-01-20
申请人： GOEGH TIBOR , HORAKOVA RENATA , KARVAS MILAN , HUMPLIK ANTONIN , DURMIS JULIUS
发明人： GOEGH TIBOR , HORAKOVA RENATA , KARVAS MILAN , HUMPLIK ANTONIN , DURMIS JULIUS
IPC分类号： C07C209/00 , C07C87/54

33. 发明专利

CS260755B1 METHOD OF 4-SUBSTITUTED-2,2,6,6-TETRAMETHYL PIPERIDINE-N-OXIDES PREPARATION 未知
公开(公告)号：CS260755B1
公开(公告)日：1989-01-12
申请号：CS468885
申请日：1985-06-26
申请人： KARVAS MILAN , TOMA STEFAN , KALISKA VIERA , DURMIS JULIUS , GOEGHOVA MARCELA
发明人： KARVAS MILAN , TOMA STEFAN , KALISKA VIERA , DURMIS JULIUS , GOEGHOVA MARCELA
IPC分类号： C07D211/94

34. 发明专利

CS249496B1 MIXED NON-DYEING STABILIZER OF SYNTHETIC RUBBERS WITH IMPROVED WORKABILITY 未知
公开(公告)号：CS249496B1
公开(公告)日：1987-03-12
申请号：CS931085
申请日：1985-12-16
申请人： HUMPIK ANTONIN , ORLIK IVO , VASS FRANTISEK , KARVAS MILAN , DURMIS JULIUS
发明人： HUMPIK ANTONIN , ORLIK IVO , VASS FRANTISEK , KARVAS MILAN , DURMIS JULIUS
IPC分类号： C08K5/52

35. 发明专利

CS235486B1 METHOD OF 2,2,6,6-TETRAMETHYL-4-PIPERIDINOL PREPARATION BY MEANS OF CONTINUOUS HYDROGENATION OF 2,2,6,6-TETRAMETHYL-4-PIPERIDON 未知
公开(公告)号：CS235486B1
公开(公告)日：1985-05-15
申请号：CS978382
申请日：1982-12-27
申请人： VOLF JIRI , PASEK JOSEF , JEXOVA EMA , DURMIS JULIUS , KARVAS MILAN
发明人： VOLF JIRI , PASEK JOSEF , JEXOVA EMA , DURMIS JULIUS , KARVAS MILAN
IPC分类号： C07D211/46

36. 发明专利

CS212102B1 METHOD OF PREPARATION OF THE 7,15-DIAZADISPIRO/5,1,5,3/HEXADEKANE 未知
公开(公告)号：CS212102B1
公开(公告)日：1982-02-26
申请号：CS542480
申请日：1980-08-06
申请人： HRACHOVCOVA MARIA , SRAGA JAN , TOMA STEFAN , ELECKO PAVOL , DURMIS JULIUS , KARVAS MILAN
发明人： HRACHOVCOVA MARIA , SRAGA JAN , TOMA STEFAN , ELECKO PAVOL , DURMIS JULIUS , KARVAS MILAN
IPC分类号： C07D241/38

37. 发明专利

SK279056B6 SUBSTITUTED N-(CYCLOHEXYL)BENZOTHIAZOLYL-2-SULPHENAMIDES AND THE METHOD OF THEIR PREPARATION 未知
公开(公告)号：SK279056B6
公开(公告)日：1998-06-03
申请号：SK460390
申请日：1990-09-24
申请人： DANKO PETER , KOSAR KAROL , TOMAS JAN , GOGH TIBOR , KARVAS MILAN , ORLIK IVO , DURMIS JULIUS
发明人： DANKO PETER , KOSAR KAROL , TOMAS JAN , GOGH TIBOR , KARVAS MILAN , ORLIK IVO , DURMIS JULIUS
IPC分类号： C07D277/80
摘要： Substituted N-(cyclohexyl)benzothiazolyl-2-sulphenamides of common formula (I), in which R1 means methyl, ethyl or tertiary butyl, and, R2 means methyl ethyl, isopropyl or tertiary butyl and their cis- and/or trans-isomers which are efficient as accelerators of sulfate rubbers vulcanization. Substituted N-(cyclohexyl)benzothiazolyl-2-sulphenamides of formula (I), and, their cis- and/or trans-isomers are prepared during the reaction of 2,2-dibenzothiazolyldisulfide with amine of common formula (II), in which R1 and R2 have their already mentioned meaning, used in the form of racemic mixture of cis, cis-, cis, trans- or trans-isomer, in the presence of oxidizing agent.

38. 发明专利

CS261547B1 MIXED THERMIC AND THERMOOXIDIZING STABILIZATOR AND PROCESS FOR PREPARING THEREOF 未知
公开(公告)号：CS261547B1
公开(公告)日：1989-02-10
申请号：CS37687
申请日：1987-01-20
申请人： GOEGH TIBOR , HORAKOVA RENATA , KARVAS MILAN , KRUTILOVA ELENA , HUMPLIK ANTONIN , HRABINOVA JARMILA , DURMIS JULIUS
发明人： GOEGH TIBOR , HORAKOVA RENATA , KARVAS MILAN , KRUTILOVA ELENA , HUMPLIK ANTONIN , HRABINOVA JARMILA , DURMIS JULIUS
IPC分类号： C09K15/18

39. 发明专利

CS254186B1 HEAT AND THERMOOXIDIZING STABILIZER 未知
公开(公告)号：CS254186B1
公开(公告)日：1988-01-15
申请号：CS872685
申请日：1985-12-02
申请人： DURMIS JULIUS , POVAZANCOVA MARTA , CAUCIK PAVOL , KARVAS MILAN , ORLIK IVO , SEDLAR JIRI , PAC JIRI
发明人： DURMIS JULIUS , POVAZANCOVA MARTA , CAUCIK PAVOL , KARVAS MILAN , ORLIK IVO , SEDLAR JIRI , PAC JIRI
IPC分类号： C08K5/34

40. 发明专利

CS245178B1 METHOD OF STABILIZERS' CONTENT DETERMINATION ON BASE OF SHIELDED AMINES 未知
公开(公告)号：CS245178B1
公开(公告)日：1986-08-14
申请号：CS637984
申请日：1984-08-23
申请人： KARDOS EMIL , BATORA VOJTECH , BZDUSKOVA LUBICA , KUSA ANNA , KARVAS MILAN , CAUCIK PAVOL , DURMIS JULIUS
发明人： KARDOS EMIL , BATORA VOJTECH , BZDUSKOVA LUBICA , KUSA ANNA , KARVAS MILAN , CAUCIK PAVOL , DURMIS JULIUS
IPC分类号： G01N33/44

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式