CA2015776C - Composition stable et non toxique de lignosulfonate et uree-formaldehyde et methode de preparation - Google Patents

Composition stable et non toxique de lignosulfonate et uree-formaldehyde et methode de preparation Download PDF

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Publication number
CA2015776C
CA2015776C CA002015776A CA2015776A CA2015776C CA 2015776 C CA2015776 C CA 2015776C CA 002015776 A CA002015776 A CA 002015776A CA 2015776 A CA2015776 A CA 2015776A CA 2015776 C CA2015776 C CA 2015776C
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CA
Canada
Prior art keywords
lignosulfonate
urea
formaldehyde
methylol
sulfite liquor
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
CA002015776A
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English (en)
Other versions
CA2015776A1 (fr
Inventor
John W. Hollis Jr.
Linda G. Schmitt
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.)
Daishowa Chemicals Inc
Original Assignee
Daishowa Chemicals 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
Application filed by Daishowa Chemicals Inc filed Critical Daishowa Chemicals Inc
Priority to CA002015776A priority Critical patent/CA2015776C/fr
Publication of CA2015776A1 publication Critical patent/CA2015776A1/fr
Application granted granted Critical
Publication of CA2015776C publication Critical patent/CA2015776C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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  • Compositions Of Macromolecular Compounds (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
CA002015776A 1989-03-27 1990-04-30 Composition stable et non toxique de lignosulfonate et uree-formaldehyde et methode de preparation Expired - Fee Related CA2015776C (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA002015776A CA2015776C (fr) 1989-03-27 1990-04-30 Composition stable et non toxique de lignosulfonate et uree-formaldehyde et methode de preparation

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US32888789A 1989-03-27 1989-03-27
CA002015776A CA2015776C (fr) 1989-03-27 1990-04-30 Composition stable et non toxique de lignosulfonate et uree-formaldehyde et methode de preparation

Publications (2)

Publication Number Publication Date
CA2015776A1 CA2015776A1 (fr) 1991-10-31
CA2015776C true CA2015776C (fr) 2001-07-10

Family

ID=25674111

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002015776A Expired - Fee Related CA2015776C (fr) 1989-03-27 1990-04-30 Composition stable et non toxique de lignosulfonate et uree-formaldehyde et methode de preparation

Country Status (1)

Country Link
CA (1) CA2015776C (fr)

Also Published As

Publication number Publication date
CA2015776A1 (fr) 1991-10-31

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