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US4980408A Expired / Lapsed US ⏱️ 0.0 years remaining

Water-borne surface printing inks

Assignee: BASF Corp
•
Filing: 1989-10-02
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Granted: 1990-12-25
•
Expires: 2009-10-02
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Abstract

Abstract The invention relates to novel water-based surface and lamination printing ink compositions and to their use as surface printing inks for printing onto substrates and in particular for printing onto plastic substrates. The surface printing inks of the present invention are superior in printing aptitude and color strength.

Inventors

  • 👤 Steven Y. Chan

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 14:45
CPC Classifications
C; C09; C09D; C09D11/00; C09D11/02; C09D11/10

Claims Analysis

Total Claims: 6
Claim 1
Independent Claim 21 words
A water-borne ink composition comprising a binder of an acrylated rosin modified polyamide resin and a carboxylated styrene butadiene latex composition.
Claim 2
Dependent Claim 21 words
A water-borne ink composition comprising a binder of an acrylated rosin modified polyamide resin and a carboxylated styrene butadiene latex composition.
Claim 3
Dependent Claim 15 words
The ink composition of claim 1 wherein the polyamide resin is 7-50% of the binder.
Claim 4
Dependent Claim 15 words
The ink composition of claim 1 wherein the latex composition is 50-93% of the binder.
Claim 5
Dependent Claim 18 words
The ink composition of claim 1 wherein the latex has a Tg of 60° C. to -30° C.
Claim 6
Dependent Claim 27 words
The ink composition of claim 1 wherein the latex composition is a copolymer of styrene and butadiene in a ratio of from about 20:80 to about 80:20.

References Cited (Backward Citations)

US3929701A Cited
JPS55123640A Cited
US4322326A Cited
DE3119637A1 Cited
US4552592A Cited
US4713415A Cited
US4714728A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1993-12-24 1994-06-25 1994-12-25 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1997-12-24 1998-06-25 1998-12-25 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2001-12-24 2002-06-25 2002-12-25 $7700.00 Window Closed / Lapsed

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