DE68903636D1 - Verfahren zum enttinten von altpapier. - Google Patents

Verfahren zum enttinten von altpapier.

Info

Publication number
DE68903636D1
DE68903636D1 DE8989905927T DE68903636T DE68903636D1 DE 68903636 D1 DE68903636 D1 DE 68903636D1 DE 8989905927 T DE8989905927 T DE 8989905927T DE 68903636 T DE68903636 T DE 68903636T DE 68903636 D1 DE68903636 D1 DE 68903636D1
Authority
DE
Germany
Prior art keywords
inkining
waste paper
waste
paper
inkining waste
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
DE8989905927T
Other languages
English (en)
Other versions
DE68903636T2 (de
Inventor
Bruce Darlington
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BASF Corp
Original Assignee
PPG Industries 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 US07/188,948 external-priority patent/US4820379A/en
Application filed by PPG Industries Inc filed Critical PPG Industries Inc
Application granted granted Critical
Publication of DE68903636D1 publication Critical patent/DE68903636D1/de
Publication of DE68903636T2 publication Critical patent/DE68903636T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/64—Paper recycling
DE8989905927T 1988-05-02 1989-04-07 Verfahren zum enttinten von altpapier. Expired - Fee Related DE68903636T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/188,948 US4820379A (en) 1986-10-16 1988-05-02 Method for deinking wastepaper with a halogenated polyethylene oxide and a polymeric material
PCT/US1989/001463 WO1989010999A1 (en) 1988-05-02 1989-04-07 Method for deinking wastepaper

Publications (2)

Publication Number Publication Date
DE68903636D1 true DE68903636D1 (de) 1993-01-07
DE68903636T2 DE68903636T2 (de) 1993-05-06

Family

ID=26779565

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8989905927T Expired - Fee Related DE68903636T2 (de) 1988-05-02 1989-04-07 Verfahren zum enttinten von altpapier.

Country Status (1)

Country Link
DE (1) DE68903636T2 (de)

Also Published As

Publication number Publication date
DE68903636T2 (de) 1993-05-06

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: BASF CORP., MOUNT OLIVE, N.J., US

8339 Ceased/non-payment of the annual fee