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1.发明授权Apparatus for the continuous preparation of bis - 2 - hydroxyethyl phthalates 失效连续制备BIS-2-羟基乙酸邻苯二甲酸酯的装置
公开(公告)号：US3522018A
公开(公告)日：1970-07-28
申请号：US3522018D
申请日：1967-09-15
Applicant: HOECHST AG
Inventor： BACHMANN DITMAR , GRAFEN KARL HEINZ , FISCHER WOLFGANG , SCHUBRING ARMIN
CPC classification number: C08G63/785 , B01D3/32 , B01J14/00 , B01J19/1862 , B01J19/24 , B01J19/242 , B01J2219/00094 , B01J2219/00101 , B01J2219/00128 , B01J2219/00186 , B01J2219/182 , C07C67/03 , C07C69/80
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Patent Agency Ranking
公开(公告)号：DE1266749B
公开(公告)日：1968-04-25
申请号：DEF0048893
申请日：1964-05-02
Applicant: HOECHST AG
Inventor： BACHMANN DR DITMAR , GRAFEN KARLHEINZ , FISCHER WOLFGANG , SCHUBRING ARMIN
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公开(公告)号：DE1227002B
公开(公告)日：1966-10-20
申请号：DEF0042776
申请日：1964-05-02
Applicant: HOECHST AG
Inventor： BACHMANN DR DITMAR , GRAFEN DIPL-ING KARLHEINZ , FISCHER WOLFGANG , SCHUBRING ARNIM
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公开(公告)号：DE1259565B
公开(公告)日：1968-01-25
申请号：DEF0042219
申请日：1964-03-06
Applicant: HOECHST AG
Inventor： BACHMANN DR DITMAR , WELFERS DR EGIDIUS , HOYER DR HANS , FISCHER WOLFGANG
Abstract: A multi-chamber reactor as described in the parent Specification for the continuous manufacture of polyethylene phthalates from dimethyl phthalates and ethylene glycol, has at least two chambers, preferably the last ones, provided with an adjustable discharge device 6, 7 communicating with a processing device disposed after the reactor so that the degree of polymerization and viscosity of the product is adjustable. The discharge devices 6, 7 are variable drive screw pumps or worm pumps leading through pipes 8 and 9 which join immediately before the inlet of a mixer 10 forming part of the processing device.
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公开(公告)号：CA793352A
公开(公告)日：1968-08-27
申请号：CA793352D
Applicant: HOECHST AG
Inventor： SCHUBRING ARMIN , FISCHER WOLFGANG , BACHMANN DITMAR , GRAFEN KARLHEINZ
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公开(公告)号：CA785213A
公开(公告)日：1968-05-14
申请号：CA785213D
Applicant: HOECHST AG
Inventor： FISCHER WOLFGANG , HOYER HANS , BACHMANN DITMAR , WELFERS EGIDIUS
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