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US5149367A Expired / Lapsed US ⏱️ 0.0 years remaining

Printing inks

Assignee: Bayer AG
•
Filing: 1991-05-30
•
Granted: 1992-09-22
•
Expires: 2011-05-30
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Abstract

Abstract Colorant preparations, in particular printing inks, contain compounds of the formula ##STR1## in which the substituents have the meanings given in the description as an additive. The additive substantially prevents the undesirable "build-up" in printing.

Inventors

  • 👤 Knud Reuter
  • 👤 Thomas Scholl

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 07:59
CPC Classifications
C; C09; C09D; C09D11/00; C09D11/02; C09D11/03; C09D11/037; C09B; C09B69/00; C09B69/10

Claims Analysis

Total Claims: 9
Claim 1
Independent Claim 155 words
Offset printing inks comprising (1) a vehicle, (2) a colorant, and (3) an additive compound, said additive compound being in the offset printing ink in an amount effective to substantially prevent undesirable build-up of the offset printing ink during offset printing, and said additive compound having the formula (A) ##STR37## in which R 1 and R 2 independently of one another and independently of each recurring unit, denote H, C 1-24 -alkyl, aryl or C 1-24 -alkaryl, R 3 denotes H, C 1-24 -alkyl, aryl, C 1-24 -alkaryl--where R 3 can, if desired carry 1-3 further substituents from the series comprising--O--R 1 , --NR 1 R 2 or radicals ##STR38## Y 1 denotes O, S, NR 1 , X, independently of each recurring unit, denotes O, S, ##STR39## where R 4 is H, C 1-24 -alkyl, aryl, C 1-24 -alkyl-aryl or ##STR40## n denotes an integer from 2-4 and m denotes an integer from 3-450.
Claim 2
Dependent Claim 155 words
Offset printing inks comprising (1) a vehicle, (2) a colorant, and (3) an additive compound, said additive compound being in the offset printing ink in an amount effective to substantially prevent undesirable build-up of the offset printing ink during offset printing, and said additive compound having the formula (A) ##STR37## in which R 1 and R 2 independently of one another and independently of each recurring unit, denote H, C 1-24 -alkyl, aryl or C 1-24 -alkaryl, R 3 denotes H, C 1-24 -alkyl, aryl, C 1-24 -alkaryl--where R 3 can, if desired carry 1-3 further substituents from the series comprising--O--R 1 , --NR 1 R 2 or radicals ##STR38## Y 1 denotes O, S, NR 1 , X, independently of each recurring unit, denotes O, S, ##STR39## where R 4 is H, C 1-24 -alkyl, aryl, C 1-24 -alkyl-aryl or ##STR40## n denotes an integer from 2-4 and m denotes an integer from 3-450.
Claim 3
Dependent Claim 57 words
Offset printing inks according to claim 1 containing compounds of the formula (A) where n is 2, X is O, R 1 is H, CH 3 , R 2 is H or CH 3 , Y 1 is O, R 3 is the radical of a mono-, di-, tri- or tetrafunctional aliphatic alcohol having 2-8 C atoms.
Claim 4
Dependent Claim 30 words
Offset printing inks according to claim 1 containing compounds (A) where R 3 is the radical of an aliphatic diol or triol having 2-12 C atoms and m is 10-100.
Claim 5
Dependent Claim 15 words
Offset printing inks according to claim 1 containing 0.01-20% by weight of a compound (A).
Claim 6
Dependent Claim 65 words
Offset printing inks according to claim 1 containing, as the colorant, at least one dyestuff which was obtained by reacting a dyestuff of the formula F(Y'H) n , in which F is a dyestuff radical, Y' is --O--, --S--, ##STR41## and R 5 is H, alkyl, cycloalkyl, n is 1-6, with a compound containing at least one isocyanate group and at least 18 C atoms.
Claim 7
Dependent Claim 15 words
Offset printing ink according to claim 1 containing 0.5-20% by weight of a compound (A).
Claim 8
Dependent Claim 132 words
In a process for the preparation of a printing ink, wherein the improvement comprises adding to the printing ink an additive compound having the formula (A) ##STR42## in which R 1 and R 2 independently of one another and independently of each recurring unit, denote H, C 1-24 -alkyl, aryl or C 1-24 -alkaryl, R 3 denotes H, C 1-24 -alkyl, aryl, C 1-24 -alkaryl--where R 3 can, if desired carry 1-3 further substituents from the series comprising--O--R 1 , --NR 1 R 2 or radicals ##STR43## Y 1 denotes O, S, NR 1 , X, independently of each recurring unit, denotes O, S, ##STR44## where R 4 is H, C 1-24 -alkyl, aryl, C 1-24 -alkyl-aryl or ##STR45## n denotes an integer from 2-4 and m denotes an integer from 3-450.
Claim 9
Dependent Claim 132 words
In a process for the preparation of a printing ink, wherein the improvement comprises adding to the printing ink an additive compound having the formula (A) ##STR42## in which R 1 and R 2 independently of one another and independently of each recurring unit, denote H, C 1-24 -alkyl, aryl or C 1-24 -alkaryl, R 3 denotes H, C 1-24 -alkyl, aryl, C 1-24 -alkaryl--where R 3 can, if desired carry 1-3 further substituents from the series comprising--O--R 1 , --NR 1 R 2 or radicals ##STR43## Y 1 denotes O, S, NR 1 , X, independently of each recurring unit, denotes O, S, ##STR44## where R 4 is H, C 1-24 -alkyl, aryl, C 1-24 -alkyl-aryl or ##STR45## n denotes an integer from 2-4 and m denotes an integer from 3-450.

References Cited (Backward Citations)

US4508570A Cited
US4923515A Cited
US5049188A Cited
US4985077A Cited
US4908063A Cited
US5019166A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1995-09-22 1996-03-23 1996-09-22 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1999-09-22 2000-03-23 2000-09-22 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2003-09-22 2004-03-23 2004-09-22 $7700.00 Window Closed / Lapsed

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