CA813769A - Optical brightening of paper - Google Patents

Optical brightening of paper

Info

Publication number: CA813769A
Authority: CA; Canada
Prior art keywords: paper; optical brightening; brightening; optical
Prior art date: 1969-05-27
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

CA813769A

Inventor

Fischer Franz

Bettschen Erwin

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.)

Novartis Corp

Original Assignee

Geigy Chemical Corp

Publication date

1969-05-27

1969-05-27 Application granted granted Critical

1969-05-27 Publication of CA813769A publication Critical patent/CA813769A/en

Status Expired legal-status Critical Current

Links

CA813769A Optical brightening of paper Expired CA813769A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA813769T

Publications (1)

Publication Number	Publication Date
CA813769A true CA813769A (en)	1969-05-27

Family

ID=36286275

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA813769A Expired CA813769A (en)			Optical brightening of paper

Country Status (1)

Country	Link
CA (1)	CA813769A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4339238A (en) *	1980-01-14	1982-07-13	Ciba-Geigy Corporation	Stable aqueous formulations of stilbene fluorescent whitening agents
US4386965A (en) *	1980-07-03	1983-06-07	Ciba-Geigy Corporation	Process for obtaining coating compositions of improved whiteness

0
- CA CA813769A patent/CA813769A/en not_active Expired

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4339238A (en) *	1980-01-14	1982-07-13	Ciba-Geigy Corporation	Stable aqueous formulations of stilbene fluorescent whitening agents
US4386965A (en) *	1980-07-03	1983-06-07	Ciba-Geigy Corporation	Process for obtaining coating compositions of improved whiteness

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