CA2509628A1 - Colloidal borosilicates and their use in the production of paper - Google Patents

Colloidal borosilicates and their use in the production of paper

Info

Publication number
CA2509628A1
CA2509628A1 CA002509628A CA2509628A CA2509628A1 CA 2509628 A1 CA2509628 A1 CA 2509628A1 CA 002509628 A CA002509628 A CA 002509628A CA 2509628 A CA2509628 A CA 2509628A CA 2509628 A1 CA2509628 A1 CA 2509628A1
Authority
CA
Canada
Prior art keywords
borosilicate
paper
production
colloidal
addition
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.)
Granted
Application number
CA002509628A
Other languages
French (fr)
Other versions
CA2509628C (en
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
Nalco Chemical Company
Bruce A. Keiser
James E. Whitten
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
Application filed by Nalco Chemical Company, Bruce A. Keiser, James E. Whitten filed Critical Nalco Chemical Company
Priority claimed from CA002304709A external-priority patent/CA2304709C/en
Publication of CA2509628A1 publication Critical patent/CA2509628A1/en
Application granted granted Critical
Publication of CA2509628C publication Critical patent/CA2509628C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Abstract

The invention comprises a borosilicate retention aid composition and a method for improving the production of paper by addition of the borosilicate. The borosilicate may be utilized in conjunction with a high molecular weight synthetic flocculant and/or starch, with or without the addition of a cationic coagulant. The borosilicate material is preferably a colloidal borosilicate. Methods for the preparation of the borosilicate material are disclosed.
CA002509628A 1997-09-30 1998-09-17 Colloidal borosilicates and their use in the production of paper Expired - Fee Related CA2509628C (en)

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 (en) 1997-09-30 1998-09-17 Colloidal borosilicates and their use in the production of paper

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CA002304709A Division CA2304709C (en) 1997-09-30 1998-09-17 Colloidal borosilicates and their use in the production of paper

Publications (2)

Publication Number Publication Date
CA2509628A1 true CA2509628A1 (en) 1999-04-08
CA2509628C CA2509628C (en) 2007-11-20

Family

ID=34888036

Family Applications (5)

Application Number Title Priority Date Filing Date
CA2509271A Expired - Fee Related CA2509271C (en) 1997-09-30 1998-09-17 Colloidal borosilicates and their use in the production of paper
CA002509430A Expired - Fee Related CA2509430C (en) 1997-09-30 1998-09-17 Colloidal borosilicates and their use in the production of paper
CA002509628A Expired - Fee Related CA2509628C (en) 1997-09-30 1998-09-17 Colloidal borosilicates and their use in the production of paper
CA002509471A Expired - Fee Related CA2509471C (en) 1997-09-30 1998-09-17 Colloidal borosilicates and their use in the production of paper
CA002509635A Expired - Fee Related CA2509635C (en) 1997-09-30 1998-09-17 Colloidal borosilicates and their use in the production of paper

Family Applications Before (2)

Application Number Title Priority Date Filing Date
CA2509271A Expired - Fee Related CA2509271C (en) 1997-09-30 1998-09-17 Colloidal borosilicates and their use in the production of paper
CA002509430A Expired - Fee Related CA2509430C (en) 1997-09-30 1998-09-17 Colloidal borosilicates and their use in the production of paper

Family Applications After (2)

Application Number Title Priority Date Filing Date
CA002509471A Expired - Fee Related CA2509471C (en) 1997-09-30 1998-09-17 Colloidal borosilicates and their use in the production of paper
CA002509635A Expired - Fee Related CA2509635C (en) 1997-09-30 1998-09-17 Colloidal borosilicates and their use in the production of paper

Country Status (1)

Country Link
CA (5) CA2509271C (en)

Families Citing this family (8)

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

Also Published As

Publication number Publication date
CA2509271A1 (en) 1999-04-08
CA2509635C (en) 2007-11-20
CA2509628C (en) 2007-11-20
CA2509430A1 (en) 1999-04-08
CA2509271C (en) 2010-04-06
CA2509430C (en) 2007-11-20
CA2509471A1 (en) 1999-04-08
CA2509635A1 (en) 1999-04-08
CA2509471C (en) 2007-11-20

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed

Effective date: 20150917