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US5594044A Expired / Lapsed US ⏱️ 0.0 years remaining

Ink jet ink which is rub resistant to alcohol

Assignee: Videojet Technologies Inc
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Filing: 1995-03-03
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Granted: 1997-01-14
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Expires: 2015-03-03
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Abstract

Abstract Disclosed are a jet ink composition and a method for printing on glass, plastic, and metal surfaces messages having good adhesion and isopropyl alcohol rub resistance, said composition comprising an organic solvent, a flexible thermoplastic urethane resin, a colorant, a cellulose nitrate resin, and an adhesion promoter.

Inventors

  • 👤 Edward Yang

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 23:18
CPC Classifications
C; C09; C09D; C09D11/00; C09D11/30; C09D11/36; B; B41; B41J; B41J2/00; B41J2/005; B41J2/01

Claims Analysis

Total Claims: 21
Claim 1
Independent Claim 81 words
A jet ink composition for printing on glass, plastic, and metal surfaces messages having good adhesion and isopropyl alcohol rub resistance, said composition comprising an organic solvent, a flexible thermoplastic polyurethane resin, a dye, a cellulose nitrate resin, and an adhesion promoter, said composition having (1) a viscosity from about 1.6 to about 7.0 centipoises at 25° C.; (2) an electrical resistivity from about 50 to about 2000 ohm-cm; and (3) a sonic velocity from about 1100 to about 1300 meters/second.
Claim 2
Dependent Claim 81 words
A jet ink composition for printing on glass, plastic, and metal surfaces messages having good adhesion and isopropyl alcohol rub resistance, said composition comprising an organic solvent, a flexible thermoplastic polyurethane resin, a dye, a cellulose nitrate resin, and an adhesion promoter, said composition having (1) a viscosity from about 1.6 to about 7.0 centipoises at 25° C.; (2) an electrical resistivity from about 50 to about 2000 ohm-cm; and (3) a sonic velocity from about 1100 to about 1300 meters/second.
Claim 3
Dependent Claim 14 words
The jet ink composition of claim 1, wherein said solvent comprises methyl ethyl ketone.
Claim 4
Dependent Claim 13 words
The jet ink composition of claim 2, wherein said solvent further comprises ethanol.
Claim 5
Dependent Claim 19 words
The jet ink composition of claim 1, wherein said flexible thermoplastic polyurethane resin comprises polypropylene glycol and 4,4'-diphenylmethane diisocyanate.
Claim 6
Dependent Claim 24 words
The jet ink composition of claim 4, wherein said polyurethane resin has a weight average molecular weight in the range of 18,000 to 22,000.
Claim 7
Dependent Claim 30 words
The jet ink composition of claim 5, wherein said polyurethane resin is present in the concentration range of about 2 percent to about 12 percent by weight of said composition.
Claim 8
Dependent Claim 27 words
The jet ink composition of claim 6, wherein said polyurethane resin is present in the concentration range of about 4 percent to about 6 percent by weight.
Claim 9
Dependent Claim 15 words
The jet ink composition of claim 7, wherein said dye is C.I. Solvent Black 29.
Claim 10
Dependent Claim 27 words
The jet ink composition of claim 8, wherein said dye is present in the range of about 3 to about 7 percent by weight of said composition.
Claim 11
Dependent Claim 14 words
The jet ink composition of claim 9, wherein said composition further comprises a surfactant.
Claim 12
Dependent Claim 36 words
The jet ink composition of claim 10, wherein said surfactant is a nonionic fluoroaliphatic polymeric acrylate ester and is present in the range of from about 0.01 to about 0.2 percent by weight of said composition.
Claim 13
Dependent Claim 14 words
The jet ink composition of claim 11, wherein said composition further comprises a plasticizer.
Claim 14
Dependent Claim 14 words
The jet ink composition of claim 12, wherein said plasticizer is N-ethyl (o, p)-toluenesulfonamide.
Claim 15
Dependent Claim 25 words
The jet ink composition of claim 13, wherein said plasticizer is present in the range of about 0.1 percent to about 3 percent by weight.
Claim 16
Dependent Claim 15 words
The jet ink composition of claim 1, wherein said adhesion promoter is a titanium organate.
Claim 17
Dependent Claim 25 words
The jet ink composition of claim 1, wherein said solvent is selected from the group consisting of ketones, esters, alcohols, hydrocarbons, glycols, and combinations thereof.
Claim 18
Dependent Claim 20 words
The jet ink composition of claim 1, wherein said cellulose nitrate resin has a nitrogen content of about 12 percent.
Claim 19
Dependent Claim 64 words
A jet ink composition for printing on glass, plastic, and metal surfaces messages having good adhesion and isopropyl alcohol rub resistance, said composition comprising an organic solvent, a flexible thermoplastic polyurethane resin, a dye, a cellulose nitrate resin, and a titanium organate, wherein said organate is selected from the group consisting of titanium tetra-n-butoxide, titanium triisopropoxide, titanium diisopropoxide bis(2,4-pentanedionate), titanium ammoniumlactate, and titanium acetylacetonate.
Claim 20
Dependent Claim 64 words
A jet ink composition for printing on glass, plastic, and metal surfaces messages having good adhesion and isopropyl alcohol rub resistance, said composition comprising an organic solvent, a flexible thermoplastic polyurethane resin, a dye, a cellulose nitrate resin, and a titanium organate, wherein said organate is selected from the group consisting of titanium tetra-n-butoxide, titanium triisopropoxide, titanium diisopropoxide bis(2,4-pentanedionate), titanium ammoniumlactate, and titanium acetylacetonate.
Claim 21
Dependent Claim 31 words
The jet ink composition of claim 18, wherein said organate is present in the range of from about 0.1 percent to about 5 percent by weight of said jet ink composition.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 2000-01-14 2000-07-15 2001-01-14 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 2004-01-14 2004-07-15 2005-01-14 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2008-01-14 2008-07-15 2009-01-14 $7700.00 Window Closed / Lapsed

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