公开(公告)号：US1835841A

公开(公告)日：1931-12-08

申请号：US25710128

申请日：1928-02-25

Applicant: SCOTTISH DYES LTD

Inventor： GEORGE BECKETT ERNEST ,  GUY HARRIS JOHN EDMUND ,  BIRKETT WYLAM ,  JOHN THOMAS

IPC: C07D213/89

CPC classification number: C07D213/89

公开(公告)号：US1833809A

公开(公告)日：1931-11-24

申请号：US37648529

申请日：1929-07-06

Applicant: SCOTTISH DYES LTD

Inventor： GRAHAM WOODCOCK WILLIAM ,  EDWARD DRESCHER HUGH ALBERT ,  GEORGE BECKETT ERNEST ,  JOHN THOMAS

IPC: C09B1/22

CPC classification number: C09B1/22

公开(公告)号：US1833808A

公开(公告)日：1931-11-24

申请号：US13762426

申请日：1926-09-24

Applicant: SCOTTISH DYES LTD

Inventor： GRAHAM WOODCOCK WILLIAM ,  EDWARD DRESCHER HUGH ALBERT ,  GEORGE BECKETT ERNEST ,  JOHN THOMAS

CPC classification number: C09B5/48

公开(公告)号：US1711873A

公开(公告)日：1929-05-07

申请号：US72876724

申请日：1924-07-28

Applicant: SCOTTISH DYES LTD

Inventor： GEORGE BECKETT ERNEST ,  JOHN THOMAS

IPC: C09B1/58

CPC classification number: C09B1/585 ,  C09B1/22

Abstract: 253,584. Scottish Dyes, Ltd., Beckett, E. G., Thomas, J., and Tonkin, R. March 16, 1925. Addition to 231,206. Anthraquinone derivatives.-In the process of the parent Specification, according to which a diphthalimidoanthraquinone is nitrated and hydrolyzed and treated with an alkali sulphide, the latter is replaced by an alkaline earth sulphide, particularly calcium hydrogen sulphide. The product (probably hexaminodianthraquinonyl thioether) may be used for dyeing cellulose acetate &c.

公开(公告)号：US1858334A

公开(公告)日：1932-05-17

申请号：US41578629

申请日：1929-12-21

Applicant: SCOTTISH DYES LTD

Inventor： JENKIN LOVELUCK RHYS ,  GEORGE BECKETT ERNEST ,  JOHN THOMAS

IPC: C09B1/22

CPC classification number: C09B1/22

公开(公告)号：US1838523A

公开(公告)日：1931-12-29

申请号：US72876824

申请日：1924-07-28

Applicant: SCOTTISH DYES LTD

Inventor： GEORGE BECKETT ERNEST ,  JOHN THOMAS

IPC: C09B1/20 ,  C09B1/42

CPC classification number: C09B1/42 ,  C09B1/20