AT371866B - METHOD FOR PRODUCING IMPREGNATED PAPERS FOR FILTER MATERIALS - Google Patents

METHOD FOR PRODUCING IMPREGNATED PAPERS FOR FILTER MATERIALS

Info

Publication number
AT371866B
AT371866B AT0211979A AT211979A AT371866B AT 371866 B AT371866 B AT 371866B AT 0211979 A AT0211979 A AT 0211979A AT 211979 A AT211979 A AT 211979A AT 371866 B AT371866 B AT 371866B
Authority
AT
Austria
Prior art keywords
filter materials
impregnated papers
producing impregnated
producing
papers
Prior art date
Application number
AT0211979A
Other languages
German (de)
Other versions
ATA211979A (en
Original Assignee
Ashland Oil Inc
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
Priority claimed from US05/925,492 external-priority patent/US4150194A/en
Application filed by Ashland Oil Inc filed Critical Ashland Oil Inc
Publication of ATA211979A publication Critical patent/ATA211979A/en
Application granted granted Critical
Publication of AT371866B publication Critical patent/AT371866B/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G8/00—Condensation polymers of aldehydes or ketones with phenols only
    • C08G8/28—Chemically modified polycondensates
    • C08G8/36—Chemically modified polycondensates by etherifying
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D39/00—Filtering material for liquid or gaseous fluids
    • B01D39/14—Other self-supporting filtering material ; Other filtering material
    • B01D39/16—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres
    • B01D39/18—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being cellulose or derivatives thereof
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G8/00—Condensation polymers of aldehydes or ketones with phenols only
    • C08G8/28—Chemically modified polycondensates
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP 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
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/20—Macromolecular organic compounds
    • D21H17/33—Synthetic macromolecular compounds
    • D21H17/46—Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • D21H17/47—Condensation polymers of aldehydes or ketones
    • D21H17/48—Condensation polymers of aldehydes or ketones with phenols
AT0211979A 1978-07-17 1979-03-21 METHOD FOR PRODUCING IMPREGNATED PAPERS FOR FILTER MATERIALS AT371866B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/925,492 US4150194A (en) 1977-12-02 1978-07-17 Low emission phenolic resin compositions

Publications (2)

Publication Number Publication Date
ATA211979A ATA211979A (en) 1982-12-15
AT371866B true AT371866B (en) 1983-08-10

Family

ID=25451806

Family Applications (1)

Application Number Title Priority Date Filing Date
AT0211979A AT371866B (en) 1978-07-17 1979-03-21 METHOD FOR PRODUCING IMPREGNATED PAPERS FOR FILTER MATERIALS

Country Status (5)

Country Link
AT (1) AT371866B (en)
DE (1) DE2909830C3 (en)
FR (1) FR2431513A1 (en)
NL (1) NL7902031A (en)
SE (1) SE445054B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3935671A (en) * 1974-02-11 1976-02-03 Olaf Soot Modular planter panel system
AU553707B2 (en) * 1982-04-27 1986-07-24 Borden (Uk) Limited Impregnated filter paper

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE24011E (en) * 1949-07-07 1955-05-31 Product thereof
US2711982A (en) * 1951-02-21 1955-06-28 Westinghouse Electric Corp Method of making rolled phenolic resinbonded paper tubing
GB794183A (en) * 1954-03-01 1958-04-30 Wipac Dev Ltd Improvements in and relating to resin-impregnated filter paper
US3156670A (en) * 1960-08-31 1964-11-10 Union Carbide Corp Heat-hardenable phenolic resins
US3539446A (en) * 1967-12-29 1970-11-10 Rochester Paper Co Oil filter paper including phenolic resin and chrome oxide and method for making same
FR2021364A1 (en) * 1968-10-23 1970-07-24 Sueddeutsche Kalkstickstoff Melamine or phenolic resins with good flow properties - containing cocondensed diols
US3725349A (en) * 1972-06-12 1973-04-03 Dow Chemical Co Phenol-formaldehyde adhesive resins containing poly(c{11 {14 c{11 alkyleneoxy)glycols

Also Published As

Publication number Publication date
FR2431513A1 (en) 1980-02-15
DE2909830A1 (en) 1980-01-31
DE2909830B2 (en) 1981-07-02
ATA211979A (en) 1982-12-15
SE7901882L (en) 1980-01-18
DE2909830C3 (en) 1982-04-15
FR2431513B1 (en) 1984-12-14
NL7902031A (en) 1980-01-21
SE445054B (en) 1986-05-26

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Legal Events

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ELJ Ceased due to non-payment of the annual fee