公开(公告)号：US3701678A

公开(公告)日：1972-10-31

申请号：US3701678D

申请日：1970-02-20

申请人： MERCK PATENT GMBH

发明人： ROSSLER HUBERT ,  HALPAAP HERBERT ,  KLATYK KNUT

IPC分类号： G01N30/93 ,  B44D1/14 ,  B01D15/08

CPC分类号： G01N30/93 ,  Y10T428/273

摘要： COATED FILMS SUITABLE FOR LAYER CHROMATOGRAPHY ARE OBTAINED BY APPLYING THE ADSORBENT COATING TO A POLYESTER OR OTHER FLEXIBLE PLASTIC FILM WHOSE SURFACE IS COVERED WITH A THIN COHERENT COATING OF POLYMERIC TITANIUM DIOXIDE AND/ OR POLYMERIC ZIRCONIUM DIOXIDE.

公开(公告)号：US3637718A

公开(公告)日：1972-01-25

申请号：US3637718D

申请日：1968-06-21

申请人： MERCK PATENT GMBH

发明人： KRAMER JOSEF ,  HALPAAP HERBERT ,  FREISBERG KARL-OTTO

IPC分类号： C07D311/32 ,  C07F9/655 ,  C07D7/24 ,  C07D31/36

CPC分类号： C07F9/65522 ,  C07D311/32 ,  Y10S514/96 ,  Y10S514/962

摘要： SUITABLE FOR DECREASING CHOLESTEROL LEVELS, COMPOUNDS OF THE FOLLOWING FORMULA, ESTERS AND ESTER SALTS THEREOF:

2-(C6H5-),3-R1,4-(O=),6-(R2-O-)CHROMAN

WHEREIN R1 REPRESENTS ALKYL OF 1-6 CARBON ATOMS, R2 REPRESENTS HYDROGEN, ALKYL OR 1-6 CARBON ATOMS OR Z-(CH2)N-, Z IS DIALKYLAMINO OF 2-6 CARBON ATOMS, PYRROLIDINO, PIPERIDINO OR MORPHOLINO, AND N IS 2 OR 3.