公开(公告)号：DE1300103B

公开(公告)日：1969-09-18

申请号：DEB0096787

申请日：1968-02-23

Applicant: BASF AG

Inventor： ROTTER ,  ERWIN DR

IPC: C01B35/06

公开(公告)号：DE1285277B

公开(公告)日：1968-12-12

申请号：DEB0081471

申请日：1965-04-15

Applicant: BASF AG

Inventor： LEHRER ,  ERWIN DR ,  WOELLHAF ,  JOSEF DIPL-ING

IPC: B02C17/06

Abstract: 1,137,365. Tube mills. BADISCHE ANILIN & SODA FABRIK A.G. 14 April, 1966 [15 April, 1965], No.16334/66. Heading B2A. A tube mill comprises a motor-driven casing mounted at both ends and subdivided into compartments 14 . . . 18 by partitions 10 . . . 13. Premixed feed, e.g. y iron oxide in a binder solution for making recording tape, is introduced via a pipe 22 together with a gas current via a tube 24 into the grinding chamber, which is charged with balls, and is forced, at a pressure from 10-500 Kg. per sq. m., by the gas current through openings 21 in the middle of the partitions. The gas current, measured by a flowmeter 25, is saturated in a container 26 with the vapour of the liquid used in the grinding. The partitions may be pierced by slots (Fig. 2) or each provided with a hole, covered by mesh finer than the diameter of the balls (Fig. 3). Ground or dispersed material leaves the mill via a bore 27 in a shaft 5.

公开(公告)号：DE1285444B

公开(公告)日：1968-12-19

申请号：DEB0071227

申请日：1963-03-21

Applicant: BASF AG

Inventor： EBEL ,  FRIEDRICH DR ,  HAHN ,  ERWIN DR ,  LANGE ,  GUENTER DR ,  SCHUBERT ,  RUDOLF DR ,  WILHELM ,  HANS DR ,  WOLF ,  WUERTELE ,  LOTHAR DR ,  GULBINS ,  KLAUS DR

IPC: D06P3/32

Abstract: Leather is simultaneously dyed and finished using a coloured polymer in which the dye is bound to the polymer by a covalent bond. The polymer may be obtained by copolymerizing a dye bearing at least one polymerizable olefinically unsaturated group with one or more polymerizable monomers (many listed) or the polymer may be one on to which a copolymerizable dye has been grafted or the polymer may be attached to the dye by way of reactive groups both on the polymer and the dye. The polymers may be in solution or dispersion, preferably aqueous dispersion. The coloured polymers may contain reactive groups, e.g. by using N-methylolacryl- or methacrylamide as a comonomer, through which cross-linking may be effected. The coloured polymers may be applied by brushing, dipping or spraying or in a drum. The so-treated leather may afterwards be glazed or plated. Examples are given. Specifications 877,402, 914,282, 946,472, 964,757 and 965,627 are referred to.