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ATE89623T1 - POLYSILICATE MICROGELS AS RETENTION/DEWATERING AIDS IN PAPERMAKING. - Google Patents

POLYSILICATE MICROGELS AS RETENTION/DEWATERING AIDS IN PAPERMAKING.

Info

Publication number
ATE89623T1
ATE89623T1 AT89309307T AT89309307T ATE89623T1 AT E89623 T1 ATE89623 T1 AT E89623T1 AT 89309307 T AT89309307 T AT 89309307T AT 89309307 T AT89309307 T AT 89309307T AT E89623 T1 ATE89623 T1 AT E89623T1
Authority
AT
Austria
Prior art keywords
papermaking
retention
polysilicate microgels
dewatering aids
dewatering
Prior art date
Application number
AT89309307T
Other languages
German (de)
Inventor
John Derek Rushmere
Original Assignee
Du Pont
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 US07/388,967 external-priority patent/US4954220A/en
Application filed by Du Pont filed Critical Du Pont
Priority claimed from EP89309307A external-priority patent/EP0359552B1/en
Application granted granted Critical
Publication of ATE89623T1 publication Critical patent/ATE89623T1/en

Links

AT89309307T 1988-09-16 1989-09-13 POLYSILICATE MICROGELS AS RETENTION/DEWATERING AIDS IN PAPERMAKING. ATE89623T1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US24518488A 1988-09-16 1988-09-16
US07/388,967 US4954220A (en) 1988-09-16 1989-08-07 Polysilicate microgels as retention/drainage aids in papermaking
EP89309307A EP0359552B1 (en) 1988-09-16 1989-09-13 Polysilicate microgels as retention/drainage aids in papermaking

Publications (1)

Publication Number Publication Date
ATE89623T1 true ATE89623T1 (en) 1993-06-15

Family

ID=27232782

Family Applications (1)

Application Number Title Priority Date Filing Date
AT89309307T ATE89623T1 (en) 1988-09-16 1989-09-13 POLYSILICATE MICROGELS AS RETENTION/DEWATERING AIDS IN PAPERMAKING.

Country Status (1)

Country Link
AT (1) ATE89623T1 (en)

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Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
EEIH Change in the person of patent owner
EELA Cancelled due to lapse of time