PT100482A - Celula de medicao duma caracteristica electrica duma dispersao fibrosa - Google Patents

Celula de medicao duma caracteristica electrica duma dispersao fibrosa

Info

Publication number: PT100482A
Authority: PT; Portugal
Prior art keywords: dispersao; duma; fibrosa; electrical characteristic; medical cell
Prior art date: 1991-05-13

Application number

PT100482A

Other languages

English (en)

Other versions

PT100482B (pt

Inventor

James Christian Petzold

Roger Anthony Allen

Original Assignee

Wiggins Teape Group Ltd

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.)

1991-05-13

Filing date

1992-05-13

Publication date

1994-05-31

1992-05-13 Application filed by Wiggins Teape Group Ltd filed Critical Wiggins Teape Group Ltd

1994-05-31 Publication of PT100482A publication Critical patent/PT100482A/pt

1999-09-30 Publication of PT100482B publication Critical patent/PT100482B/pt

Links

Classifications

- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/34—Paper
- G01N33/343—Paper pulp
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/60—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrostatic variables, e.g. electrographic flaw testing

Landscapes

Chemical & Material Sciences (AREA)
Health & Medical Sciences (AREA)
Life Sciences & Earth Sciences (AREA)
General Health & Medical Sciences (AREA)
Immunology (AREA)
Pathology (AREA)
Analytical Chemistry (AREA)
Biochemistry (AREA)
Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Chemical Kinetics & Catalysis (AREA)
Electrochemistry (AREA)
Engineering & Computer Science (AREA)
Food Science & Technology (AREA)
Medicinal Chemistry (AREA)
Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Sampling And Sample Adjustment (AREA)

PT100482A 1991-05-13 1992-05-13 Celula de medicao duma caracteristica electrica duma dispersao fibrosa PT100482B (pt)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB919110318A GB9110318D0 (en)	1991-05-13	1991-05-13	Streaming potential measurement cell

Publications (2)

Publication Number	Publication Date
PT100482A true PT100482A (pt)	1994-05-31
PT100482B PT100482B (pt)	1999-09-30

Family

ID=10694900

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
PT100482A PT100482B (pt)	1991-05-13	1992-05-13	Celula de medicao duma caracteristica electrica duma dispersao fibrosa

Country Status (8)

Country	Link
US (1)	US5495751A (pt)
EP (1)	EP0610200A1 (pt)
JP (1)	JP2691477B2 (pt)
CA (1)	CA2108661A1 (pt)
FI (1)	FI934935A7 (pt)
GB (1)	GB9110318D0 (pt)
PT (1)	PT100482B (pt)
WO (1)	WO1992021026A1 (pt)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE19635318C2 (de) *	1996-08-30	1999-05-20	Muetek Analytic Gmbh	Verfahren und Vorrichtung zur Dickstoffmessung
DE19731184C2 (de) *	1997-07-10	1999-10-07	Atotech Deutschland Gmbh	Vorrichtung zur analytischen Überwachung eines Bades zur galvanotechnischen Behandlung von Substratoberflächen
US5936151A (en) *	1997-12-22	1999-08-10	International Paper Company	Method and apparatus for measuring an electrical property of papermaking furnish
US6176974B1 (en) *	1997-12-22	2001-01-23	International Paper Company	Method for determining electrokinetic properties of papermaking furnish
US6235123B1 (en) *	1998-05-04	2001-05-22	Honeywell-Measorek Corporation	Chemical cleaning system for electrodes used in a liquid environment

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2602325A (en) *	1947-12-31	1952-07-08	Patent & Licensing Corp	Pulp testing device
DE3276195D1 (en) *	1981-11-09	1987-06-04	Wiggins Teape Group Ltd	Apparatus for determining an electrical characteristic of a fibrous dispersion
EP0225322A1 (de) *	1984-07-09	1987-06-16	Forschungsanwendungsgesellschaft M.B.H.	Verfahren zur bestimmung des zeta-potentials von feststoffen
SE8602280L (sv) *	1985-06-18	1986-12-19	Innomatic Ab	Sett och anordning for metning av en partikelsuspensions stromningspotential eller for metning av en partikelsuspensions stromningspotential och/eller dreneringstillstand
CA2012586C (en) *	1989-07-19	1994-05-17	Masahiro Nishi	Method and apparatus for making dry sheet-like sample of solid particles from a suspension, and method and apparatus for measuring pulp concentration
GB9011333D0 (en) *	1990-05-21	1990-07-11	Paper Chemistry Lab Inc	A method and apparatus for measuring an electrical characteristic of a fibrous dispersion

1991
- 1991-05-13 GB GB919110318A patent/GB9110318D0/en active Pending
1992
- 1992-05-12 WO PCT/GB1992/000852 patent/WO1992021026A1/en not_active Ceased
- 1992-05-12 EP EP92910599A patent/EP0610200A1/en not_active Withdrawn
- 1992-05-12 CA CA002108661A patent/CA2108661A1/en not_active Abandoned
- 1992-05-12 US US08/146,118 patent/US5495751A/en not_active Expired - Fee Related
- 1992-05-12 JP JP4509853A patent/JP2691477B2/ja not_active Expired - Lifetime
- 1992-05-12 FI FI934935A patent/FI934935A7/fi unknown
- 1992-05-13 PT PT100482A patent/PT100482B/pt not_active IP Right Cessation

Also Published As

Publication number	Publication date
CA2108661A1 (en)	1992-11-14
JPH06507243A (ja)	1994-08-11
US5495751A (en)	1996-03-05
FI934935L (fi)	1993-11-08
FI934935A0 (fi)	1993-11-08
WO1992021026A1 (en)	1992-11-26
FI934935A7 (fi)	1993-11-08
EP0610200A1 (en)	1994-08-17
GB9110318D0 (en)	1991-07-03
JP2691477B2 (ja)	1997-12-17
PT100482B (pt)	1999-09-30

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Legal Events

Date

Code

Title

Description

1994-05-31

BB1A

Laying open of patent application

Effective date: 19931108

1999-09-30

FG3A

Patent granted, date of granting

Effective date: 19990604

2001-04-30

MM3A

Annulment or lapse

Free format text: LAPSE DUE TO NON-PAYMENT OF FEES

Effective date: 20001231