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1. WO1982002414 - HYDROPHOBIC SILICA OR SILICATE COMPOSITIONS FOR CONTAINING THE SAME AND METHODS FOR MAKING AND USING THE SAME

Publication Number WO/1982/002414
Publication Date 22.07.1982
International Application No. PCT/US1981/001620
International Filing Date 03.12.1981
IPC
B01D 19/04 2006.1
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
19Degasification of liquids
02Foam dispersion or prevention
04by addition of chemical substances
D21D 5/26 2006.1
DTEXTILES; PAPER
21PAPER-MAKING; PRODUCTION OF CELLULOSE
DTREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE
5Purification of the pulp suspension by mechanical means; Apparatus therefor
26De-aeration of paper stock
D21H 17/68 2006.1
DTEXTILES; PAPER
21PAPER-MAKING; PRODUCTION OF CELLULOSE
HPULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C, D21D84; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G97; PAPER NOT OTHERWISE PROVIDED FOR
17Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
63Inorganic compounds
67Water-insoluble compounds, e.g. fillers or pigments
68siliceous, e.g. clays
CPC
B01D 19/0409
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
19Degasification of liquids
02Foam dispersion or prevention
04by addition of chemical substances
0404characterised by the nature of the chemical substance
0409compounds containing Si-atoms
D21D 5/26
DTEXTILES; PAPER
21PAPER-MAKING; PRODUCTION OF CELLULOSE
DTREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE
5Purification of the pulp suspension by mechanical means; Apparatus therefor
26De-aeration of paper stock
D21H 17/68
DTEXTILES; PAPER
21PAPER-MAKING; PRODUCTION OF CELLULOSE
HPULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
17Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
63Inorganic compounds
67Water-insoluble compounds, e.g. fillers, pigments
68siliceous, e.g. clays
Applicants
  • ECONOMICS LABORATORY, INC. [US]/[US]
Inventors
  • MALONEY, James, E.
  • OAKES, Thomas, R.
Agents
  • DiPIETRO, Mark @
Priority Data
224,14912.01.1981US
Publication Language English (en)
Filing Language English (EN)
Designated States
Title
(EN) HYDROPHOBIC SILICA OR SILICATE COMPOSITIONS FOR CONTAINING THE SAME AND METHODS FOR MAKING AND USING THE SAME
(FR) SILICE HYDROPHOBE OU COMPOSITIONS DE SILICATE EN CONTENANT ET PROCEDES DE FABRICATION ET D'UTILISATION DE CELLES-CI
Abstract
(EN) A silicon defoamer comprising silica or silicate made hydrophobic by treatment with a hydrophobic alcohol at a temperature above 100 C until the silica or silicate and the hydrophobic alcohol react, and the use of a defoaming composition comprising said silicon defoamer and a non aqueous liquid carrier.
(FR) Agent de demoussage au silicium comprenant de la silice ou un silicate rendus hydrophobes en les traitant avec un alcool hydrophobe a une temperature superieure a 100 C jusqu'a ce que la silice ou le silicate et l'alcool hydrophobe reagissent, et l'utilisation d'une composition de demoussage comprenant cet agent de demoussage au silicium et un vehicule liquide non aqueux.
Related patent documents
NO19823077This application is not viewable in PATENTSCOPE because the national phase entry has not been published yet or the national entry is issued from a country that does not share data with WIPO or there is a formatting issue or an unavailability of the application.
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