CH522004A - Process for the production of a porous, crosslinked, granulated or bead-shaped vinylpyrrolidone polymer or mixed polymer - Google Patents

Process for the production of a porous, crosslinked, granulated or bead-shaped vinylpyrrolidone polymer or mixed polymer

Info

Publication number
CH522004A
CH522004A CH891069A CH891069A CH522004A CH 522004 A CH522004 A CH 522004A CH 891069 A CH891069 A CH 891069A CH 891069 A CH891069 A CH 891069A CH 522004 A CH522004 A CH 522004A
Authority
CH
Switzerland
Prior art keywords
polymer
granulated
crosslinked
bead
porous
Prior art date
Application number
CH891069A
Other languages
German (de)
Inventor
David Field Nathan
Pierce Williams Earl
Original Assignee
Gaf Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Gaf Corp filed Critical Gaf Corp
Publication of CH522004A publication Critical patent/CH522004A/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/28—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof by elimination of a liquid phase from a macromolecular composition or article, e.g. drying of coagulum
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
    • A23L2/00—Non-alcoholic beverages; Dry compositions or concentrates therefor; Their preparation
    • A23L2/70—Clarifying or fining of non-alcoholic beverages; Removing unwanted matter
    • A23L2/80—Clarifying or fining of non-alcoholic beverages; Removing unwanted matter by adsorption
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12H—PASTEURISATION, STERILISATION, PRESERVATION, PURIFICATION, CLARIFICATION OR AGEING OF ALCOHOLIC BEVERAGES; METHODS FOR ALTERING THE ALCOHOL CONTENT OF FERMENTED SOLUTIONS OR ALCOHOLIC BEVERAGES
    • C12H1/00—Pasteurisation, sterilisation, preservation, purification, clarification, or ageing of alcoholic beverages
    • C12H1/02—Pasteurisation, sterilisation, preservation, purification, clarification, or ageing of alcoholic beverages combined with removal of precipitate or added materials, e.g. adsorption material
    • C12H1/04—Pasteurisation, sterilisation, preservation, purification, clarification, or ageing of alcoholic beverages combined with removal of precipitate or added materials, e.g. adsorption material with the aid of ion-exchange material or inert clarification material, e.g. adsorption material
    • C12H1/0416—Pasteurisation, sterilisation, preservation, purification, clarification, or ageing of alcoholic beverages combined with removal of precipitate or added materials, e.g. adsorption material with the aid of ion-exchange material or inert clarification material, e.g. adsorption material with the aid of organic added material
    • C12H1/0424—Pasteurisation, sterilisation, preservation, purification, clarification, or ageing of alcoholic beverages combined with removal of precipitate or added materials, e.g. adsorption material with the aid of ion-exchange material or inert clarification material, e.g. adsorption material with the aid of organic added material with the aid of a polymer
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2339/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a single or double bond to nitrogen or by a heterocyclic ring containing nitrogen; Derivatives of such polymers
CH891069A 1968-06-12 1969-06-11 Process for the production of a porous, crosslinked, granulated or bead-shaped vinylpyrrolidone polymer or mixed polymer CH522004A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US73630268A 1968-06-12 1968-06-12

Publications (1)

Publication Number Publication Date
CH522004A true CH522004A (en) 1972-04-30

Family

ID=24959348

Family Applications (1)

Application Number Title Priority Date Filing Date
CH891069A CH522004A (en) 1968-06-12 1969-06-11 Process for the production of a porous, crosslinked, granulated or bead-shaped vinylpyrrolidone polymer or mixed polymer

Country Status (10)

Country Link
BE (1) BE733398A (en)
BR (1) BR6909520D0 (en)
CH (1) CH522004A (en)
DE (1) DE1929501A1 (en)
DK (1) DK126005B (en)
ES (1) ES368205A1 (en)
FR (1) FR2010746A1 (en)
GB (1) GB1269807A (en)
IE (1) IE32869B1 (en)
NL (1) NL6908686A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4093570A (en) * 1975-05-01 1978-06-06 Asahi Kasei Kogyo Kabushiki Kaisha Production of porous polymers
ES2062900B1 (en) * 1991-07-29 1995-07-01 Univ Madrid Nac Educacion HYDROGELS OF HETEROCICLICO POLYMER, ITS PROCEDURE FOR OBTAINING AND ITS USE AS INSOLUBLE PILLS REGULATING PH.
US5866660A (en) * 1997-03-13 1999-02-02 Isp Investments Inc. Polyvinyl prolidone and crosslinker with divinyl and chelation group
CN114163587B (en) * 2021-11-30 2024-01-23 中国石油天然气集团有限公司 Nano silicon dioxide grafted polymer, preparation method and application thereof, and filtrate reducer

Also Published As

Publication number Publication date
ES368205A1 (en) 1971-05-01
DK126005B (en) 1973-05-28
BR6909520D0 (en) 1973-01-18
DE1929501A1 (en) 1970-01-02
GB1269807A (en) 1972-04-06
BE733398A (en) 1969-11-03
IE32869L (en) 1969-12-12
FR2010746A1 (en) 1970-02-20
IE32869B1 (en) 1973-12-28
NL6908686A (en) 1969-12-16
DE1929501B2 (en) 1979-05-10

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Legal Events

Date Code Title Description
PL Patent ceased