CA643978A - Optical whitening agents - Google Patents

Optical whitening agents

Info

Publication number
CA643978A
CA643978A CA643978A CA643978DA CA643978A CA 643978 A CA643978 A CA 643978A CA 643978 A CA643978 A CA 643978A CA 643978D A CA643978D A CA 643978DA CA 643978 A CA643978 A CA 643978A
Authority
CA
Canada
Prior art keywords
whitening agents
optical whitening
optical
agents
whitening
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
Application number
CA643978A
Inventor
A. W. Adams Dennis
Kumar Sarkar Asim
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.)
Hickson and Welch Ltd
Original Assignee
Hickson and Welch Ltd
Publication date
Application granted granted Critical
Publication of CA643978A publication Critical patent/CA643978A/en
Expired legal-status Critical Current

Links

CA643978A Optical whitening agents Expired CA643978A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA643978T

Publications (1)

Publication Number Publication Date
CA643978A true CA643978A (en) 1962-07-03

Family

ID=35922511

Family Applications (1)

Application Number Title Priority Date Filing Date
CA643978A Expired CA643978A (en) Optical whitening agents

Country Status (1)

Country Link
CA (1) CA643978A (en)

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