CA2509635A1 - Borosilicates colloidaux et leur utilisation dans la production de papier - Google Patents

Borosilicates colloidaux et leur utilisation dans la production de papier

Info

Publication number: CA2509635A1
Authority: CA; Canada
Prior art keywords: borosilicate; paper; production; colloidal; addition
Prior art date: 1997-09-30
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.): Granted

Application number

CA002509635A

Other languages

English (en)

Other versions

CA2509635C (fr

Inventor

Bruce A. Keiser

James E. Whitten

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.)

ChampionX LLC

Original Assignee

Individual

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.)

1997-09-30

Filing date

1998-09-17

Publication date

1999-04-08

1998-09-17 Application filed by Individual filed Critical Individual

1998-09-17 Priority claimed from CA002304709A external-priority patent/CA2304709C/fr

1999-04-08 Publication of CA2509635A1 publication Critical patent/CA2509635A1/fr

2007-11-20 Application granted granted Critical

2007-11-20 Publication of CA2509635C publication Critical patent/CA2509635C/fr

2018-09-17 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

Links

238000004519 manufacturing process Methods 0.000 title abstract 2
239000000463 material Substances 0.000 abstract 2
238000000034 method Methods 0.000 abstract 2
229920002472 Starch Polymers 0.000 abstract 1
125000002091 cationic group Chemical group 0.000 abstract 1
239000000701 coagulant Substances 0.000 abstract 1
230000014759 maintenance of location Effects 0.000 abstract 1
235000019698 starch Nutrition 0.000 abstract 1
239000008107 starch Substances 0.000 abstract 1

Landscapes

Paper (AREA)
Separation Of Suspended Particles By Flocculating Agents (AREA)
Silicon Compounds (AREA)

CA002509635A 1997-09-30 1998-09-17 Borosilicates colloidaux et leur utilisation dans la production de papier Expired - Fee Related CA2509635C (fr)

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
US94088897A	1997-09-30	1997-09-30
US08/940,888		1997-09-30
CA002304709A CA2304709C (fr)	1997-09-30	1998-09-17	Borosilicates colloidaux et leur utilisation dans la production de papier

Related Parent Applications (1)

Application Number	Title	Priority Date	Filing Date
CA002304709A Division CA2304709C (fr)	1997-09-30	1998-09-17	Borosilicates colloidaux et leur utilisation dans la production de papier

Publications (2)

Publication Number	Publication Date
CA2509635A1 true CA2509635A1 (fr)	1999-04-08
CA2509635C CA2509635C (fr)	2007-11-20

Family

ID=34888036

Family Applications (5)

Application Number	Title	Priority Date	Filing Date
CA002509471A Expired - Fee Related CA2509471C (fr)	1997-09-30	1998-09-17	Borosilicates colloidaux et leur utilisation dans la production de papier
CA002509635A Expired - Fee Related CA2509635C (fr)	1997-09-30	1998-09-17	Borosilicates colloidaux et leur utilisation dans la production de papier
CA2509271A Expired - Fee Related CA2509271C (fr)	1997-09-30	1998-09-17	Borosilicates colloidaux et leur utilisation dans la production de papier
CA002509628A Expired - Fee Related CA2509628C (fr)	1997-09-30	1998-09-17	Borosilicates colloidaux et leur utilisation dans la production de papier
CA002509430A Expired - Fee Related CA2509430C (fr)	1997-09-30	1998-09-17	Borosilicates colloidaux et leur utilisation dans la production de papier

Family Applications Before (1)

Application Number	Title	Priority Date	Filing Date
CA002509471A Expired - Fee Related CA2509471C (fr)	1997-09-30	1998-09-17	Borosilicates colloidaux et leur utilisation dans la production de papier

Family Applications After (3)

Application Number	Title	Priority Date	Filing Date
CA2509271A Expired - Fee Related CA2509271C (fr)	1997-09-30	1998-09-17	Borosilicates colloidaux et leur utilisation dans la production de papier
CA002509628A Expired - Fee Related CA2509628C (fr)	1997-09-30	1998-09-17	Borosilicates colloidaux et leur utilisation dans la production de papier
CA002509430A Expired - Fee Related CA2509430C (fr)	1997-09-30	1998-09-17	Borosilicates colloidaux et leur utilisation dans la production de papier

Country Status (1)

Country	Link
CA (5)	CA2509471C (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US9309126B2 (en)	2014-02-28	2016-04-12	Pall Corporation	Rapidly dissolvable nanoparticles
US9737860B2 (en)	2014-02-28	2017-08-22	Pall Corporation	Hollow fiber membrane having hexagonal voids
US9764292B2 (en)	2014-02-28	2017-09-19	Pall Corporation	Porous polymeric membrane with high void volume
US9561473B2 (en)	2014-02-28	2017-02-07	Pall Corporation	Charged hollow fiber membrane having hexagonal voids
US9446355B2 (en)	2014-02-28	2016-09-20	Pall Corporation	Porous polymeric membrane with high void volume
US9302228B2 (en)	2014-02-28	2016-04-05	Pall Corporation	Charged porous polymeric membrane with high void volume
US9776142B2 (en)	2014-02-28	2017-10-03	Pall Corporation	Porous polymeric membrane with high void volume
US9610548B2 (en)	2014-02-28	2017-04-04	Pall Corporation	Composite porous polymeric membrane with high void volume

1998
- 1998-09-17 CA CA002509471A patent/CA2509471C/fr not_active Expired - Fee Related
- 1998-09-17 CA CA002509635A patent/CA2509635C/fr not_active Expired - Fee Related
- 1998-09-17 CA CA2509271A patent/CA2509271C/fr not_active Expired - Fee Related
- 1998-09-17 CA CA002509628A patent/CA2509628C/fr not_active Expired - Fee Related
- 1998-09-17 CA CA002509430A patent/CA2509430C/fr not_active Expired - Fee Related

Also Published As

Publication number	Publication date
CA2509430A1 (fr)	1999-04-08
CA2509271C (fr)	2010-04-06
CA2509271A1 (fr)	1999-04-08
CA2509628A1 (fr)	1999-04-08
CA2509471C (fr)	2007-11-20
CA2509471A1 (fr)	1999-04-08
CA2509430C (fr)	2007-11-20
CA2509635C (fr)	2007-11-20
CA2509628C (fr)	2007-11-20

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Legal Events

Date	Code	Title	Description
2005-07-06	EEER	Examination request
2015-10-29	MKLA	Lapsed	Effective date: 20150917