公开(公告)号：ES2048747T3

公开(公告)日：1994-04-01

申请号：ES88110448

申请日：1988-06-30

Applicant: DEGUSSA

Inventor： STOBER REINHARD DR ,  FISCHER WOLFGANG ,  HUSS MICHAEL ,  PIETER REIMUND DR

IPC: C08B31/12 ,  D21H17/28

Abstract: The process entails reaction with alkylene epoxides in alkaline medium in the presence of water.

公开(公告)号：DE3885965D1

公开(公告)日：1994-01-13

申请号：DE3885965

申请日：1988-06-30

Applicant: DEGUSSA

Inventor： STOBER REINHARD DR ,  FISCHER WOLFGANG ,  HUSS MICHAEL ,  PIETER REIMUND DR

IPC: C08B37/00 ,  C08B37/14 ,  D21H17/24

Abstract: The process entails reaction with alkylene epoxides in alkaline medium in the presence of water at 5 to 60 DEG C and in the presence of a finely divided hydrophilic silica.

公开(公告)号：AT96808T

公开(公告)日：1993-11-15

申请号：AT86116805

申请日：1986-12-03

Applicant: DEGUSSA

Inventor： STOBER REINHARD DR ,  FISCHER WOLFGANG ,  HUSS MICHAEL ,  UDLUFT KLAUS DR

IPC: C08B31/12 ,  D21H17/28

公开(公告)号：AU629345B2

公开(公告)日：1992-10-01

申请号：AU5595890

申请日：1990-05-24

Applicant: DEGUSSA

Inventor： FISCHER WOLFGANG ,  BISCHOFF DEITMAR ,  HUSS MICHAEL ,  STOBER REINHARD ,  ROSSLER GERT

IPC: C08B31/12 ,  D21H17/28 ,  D21H17/29 ,  C08B31/10

Abstract: Process for the preparation of a cationic starch having a controlled viscosity, in which, in one process step, the starch is homogenised in the presence of 10 to 35 % by weight of water and preferably 0.01 to 2.00 % by weight of a finely divided silica and/or silicate (based in each case on the total amount of the mixture) with an alkaline oxide, hydroxide, silicate or aluminate or a mixture thereof, an alkylene epoxide and a peroxy compound or a mixture of at least two peroxy compounds, and is then boiled down at the desired time.

公开(公告)号：FI82839C

公开(公告)日：1991-04-25

申请号：FI870250

申请日：1987-01-21

Applicant: DEGUSSA

Inventor： STOBER REINHARD ,  FISCHER WOLFGANG ,  HUSS MICHAEL ,  UDLUFT KLAUS

IPC: C08B31/12 ,  D21H17/28

公开(公告)号：IN168086B

公开(公告)日：1991-02-02

申请号：IN213CA1987

申请日：1987-03-13

Applicant: DEGUSSA

Inventor： STOBER REINHARD DR ,  FISCHER WOLFGANG ,  HUSS MICHAEL

IPC: C08B37/00 ,  C08B37/14

Abstract: A process for the dry cationization of galactomannans by reaction with alkylidene epoxides in an alkaline medium in the presence of water at 5 DEG to 60 DEG C. and in the presence of finely divided, hydrophilic silicic acid.

公开(公告)号：FI82839B

公开(公告)日：1991-01-15

申请号：FI870250

申请日：1987-01-21

Applicant: DEGUSSA

Inventor： STOBER REINHARD ,  FISCHER WOLFGANG ,  HUSS MICHAEL ,  UDLUFT KLAUS

IPC: C08B31/12 ,  D21H17/28

Abstract: A dry process for preparation of cationic starch ethers by reaction of starch with alkylidene epoxides in the presence of water in an alkaline medium at a temperature of 5 DEG to 40 DEG C. in the presence of a finely divided silica.

公开(公告)号：DE3917632A1

公开(公告)日：1990-12-06

申请号：DE3917632

申请日：1989-05-31

Applicant: DEGUSSA

Inventor： FISCHER WOLFGANG ,  BISCHOFF DIETMAR ,  HUSS MICHAEL ,  STOBER REINHARD DR ,  ROESSLER GERT DR

IPC: C08B31/12 ,  D21H17/28 ,  D21H17/29

Abstract: Process for the preparation of a cationic starch having a controlled viscosity, in which, in one process step, the starch is homogenised in the presence of 10 to 35 % by weight of water and preferably 0.01 to 2.00 % by weight of a finely divided silica and/or silicate (based in each case on the total amount of the mixture) with an alkaline oxide, hydroxide, silicate or aluminate or a mixture thereof, an alkylene epoxide and a peroxy compound or a mixture of at least two peroxy compounds, and is then boiled down at the desired time.

公开(公告)号：ZA8805070B

公开(公告)日：1989-03-29

申请号：ZA8805070

申请日：1988-07-13

Applicant: DEGUSSA

Inventor： STOBER REINHARD ,  REINHARD STOBER ,  FISCHER WOLFGANG ,  WOLFGANG FISCHER ,  HUSS MICHAEL ,  MICHAEL HUSS ,  PIETER RAIMUND ,  RAIMUND PIETER

IPC: C08B31/12 ,  D21H17/28 ,  C08B

CPC classification number: C08B31/125

公开(公告)号：FI883618A

公开(公告)日：1989-02-14

申请号：FI883618

申请日：1988-08-02

Applicant: DEGUSSA

Inventor： STOBER REINHARD ,  FISCHER WOLFGANG ,  HUSS MICHAEL ,  PIETER REIMUND

IPC: C08B37/00 ,  C08B37/14 ,  D21H17/24 ,  C08B

Abstract: The process entails reaction with alkylene epoxides in alkaline medium in the presence of water at 5 to 60 DEG C and in the presence of a finely divided hydrophilic silica.