GB1490077A - Method of eliminating or preventing the brightening effect of anionic optical brightening agents - Google Patents

Method of eliminating or preventing the brightening effect of anionic optical brightening agents

Info

Publication number
GB1490077A
GB1490077A GB45025/74A GB4502574A GB1490077A GB 1490077 A GB1490077 A GB 1490077A GB 45025/74 A GB45025/74 A GB 45025/74A GB 4502574 A GB4502574 A GB 4502574A GB 1490077 A GB1490077 A GB 1490077A
Authority
GB
United Kingdom
Prior art keywords
brightening
eliminating
preventing
anionic optical
effect
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
GB45025/74A
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.)
Sandoz AG
Original Assignee
Sandoz AG
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 Sandoz AG filed Critical Sandoz AG
Publication of GB1490077A publication Critical patent/GB1490077A/en
Expired legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
    • D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
    • D21H21/30—Luminescent or fluorescent substances, e.g. for optical bleaching

Landscapes

  • Paper (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Nitrogen Condensed Heterocyclic Rings (AREA)
  • Detergent Compositions (AREA)

Abstract

1490077 Imidazoline derivative SANDOZ Ltd 17 Oct 1974 [19 Oct 1973] 45025/74 Heading C2C [Also in Divisions C3 D1-D2 and B1-B2] The compound of Formula IV in which n is 1, Y is -CO-NH-, X is a group of formula and the benzene rings are attached at their ppositions is prepared by reacting terephthalic acid dimethyl ester with diethylene triamine in a molar ratio of ester to amine of 1 : 8À5 or 1 : 10 with cyclization by heating. [Examples 1 and 2].
GB45025/74A 1973-10-19 1974-10-17 Method of eliminating or preventing the brightening effect of anionic optical brightening agents Expired GB1490077A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1480873A CH572128A5 (en) 1973-10-19 1973-10-19

Publications (1)

Publication Number Publication Date
GB1490077A true GB1490077A (en) 1977-10-26

Family

ID=4403990

Family Applications (1)

Application Number Title Priority Date Filing Date
GB45025/74A Expired GB1490077A (en) 1973-10-19 1974-10-17 Method of eliminating or preventing the brightening effect of anionic optical brightening agents

Country Status (16)

Country Link
JP (1) JPS5414205B2 (en)
BE (1) BE821261A (en)
BR (1) BR7408687D0 (en)
CA (1) CA1051144A (en)
CH (1) CH572128A5 (en)
DD (1) DD114109A5 (en)
DE (1) DE2448293C3 (en)
FI (1) FI58363C (en)
FR (1) FR2248365B1 (en)
GB (1) GB1490077A (en)
IT (1) IT1023126B (en)
NL (1) NL174749C (en)
NO (1) NO145886C (en)
SE (1) SE415043B (en)
SU (1) SU878203A3 (en)
ZA (1) ZA746641B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2174731A (en) * 1985-05-08 1986-11-12 Sandoz Ltd Extinguishing or preventing optical brightening
GB2178076A (en) * 1985-07-22 1987-02-04 Sandoz Ltd Quenching optical brighteners

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2916656A1 (en) * 1979-04-25 1980-11-06 Henkel Kgaa Optical brightener-free textile detergent compsn. - contg. aliphatic polyglycol ether(s), alkyl-pyridinium salt and standard additives
IT1127312B (en) * 1979-12-21 1986-05-21 Apital Prod Ind PROCEDURE FOR THE ELIMINATION OF THE FLUORESCENCE OF OPTICAL BANDS
DE3415103A1 (en) * 1984-04-21 1985-10-31 Bayer Ag, 5090 Leverkusen METHOD FOR FLUORESCENT EXTINGUISHING AND NEW CATIONIC AROMATIC NITRO COMPOUNDS
DE3535496A1 (en) 1985-10-04 1987-04-16 Bayer Ag METHOD FOR FLUORESCENT EXTINGUISHING AND NEW CATIONIC NAPHTHALINE PERI DICARBONIC ACID IMID DERIVATIVES
JP4728646B2 (en) * 2005-01-06 2011-07-20 大王製紙株式会社 Non-fluorescent board
RU2495973C2 (en) * 2008-03-26 2013-10-20 Клариант Финанс (Бви) Лимитед Improved optical bleaching compositions

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2174731A (en) * 1985-05-08 1986-11-12 Sandoz Ltd Extinguishing or preventing optical brightening
GB2178076A (en) * 1985-07-22 1987-02-04 Sandoz Ltd Quenching optical brighteners
GB2178076B (en) * 1985-07-22 1989-10-11 Sandoz Ltd Quenching optical brighteners

Also Published As

Publication number Publication date
NL174749C (en) 1984-08-01
JPS5414205B2 (en) 1979-06-05
IT1023126B (en) 1978-05-10
BE821261A (en) 1975-04-18
NO145886C (en) 1982-06-16
DE2448293B2 (en) 1979-03-29
FI58363C (en) 1981-01-12
CA1051144A (en) 1979-03-20
NL7413523A (en) 1975-04-22
CH572128A5 (en) 1976-01-30
FI58363B (en) 1980-09-30
FI295074A (en) 1975-04-20
BR7408687D0 (en) 1975-09-16
JPS5065610A (en) 1975-06-03
FR2248365A1 (en) 1975-05-16
SU878203A3 (en) 1981-10-30
NO145886B (en) 1982-03-08
SE415043B (en) 1980-09-01
FR2248365B1 (en) 1978-04-28
SE7412745L (en) 1975-04-21
NO743648L (en) 1975-05-20
NL174749B (en) 1984-03-01
DE2448293C3 (en) 1979-11-15
AU7445074A (en) 1976-04-29
DE2448293A1 (en) 1975-04-24
ZA746641B (en) 1976-05-26
DD114109A5 (en) 1975-07-12

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19921017