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US3728298A Expired / Lapsed US ⏱️ 0.0 years remaining

Polyurethane printing ink and method of using same

Assignee: Individual
•
Filing: 1970-09-04
•
Granted: 1973-04-17
•
Expires: 1990-09-04
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Abstract

Abstract A PRINTING INK FORMED FROM LIQUID URETHANE POLYMER OF POLYETHER TYPE, HAVING AN EXTENDED POT LIFE. VARIATION IN FORMULATION PERMITS CONTROL OF VISCOSITY, COLOR AND ELASTICITY. THE INK MAY BE APPLIED BY DIRECT OR TRANSFER PRINTING TO SMOOTH, TEXTEED SURFACES AND TO TEXTILE SURFACES WITH SURFACES ADHERENCE OR PRESSED INTO THE WEAVE OR KNIT TO CONTROL STRETCHABILITY OF THE FABRIC IN LOCALIZED AREAS.

Inventors

  • 👤 G Hartmann

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 11:17
CPC Classifications
B; B41; B41M; B41M1/00; B41M3/00; B41M3/12; C; C08; C08G; C08G18/00; C08G18/06; C08G18/08; C08G18/10; C09; C09D; C09D11/00; C09D11/02; C09D11/10; C09D11/102; Y; Y10; Y10S; Y10S260/00; Y10S260/38; Y10S528/00; Y10S528/905; Y10S528/906

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1976-04-16 1976-10-16 1977-04-17 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1980-04-16 1980-10-16 1981-04-17 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1984-04-16 1984-10-16 1985-04-17 $7700.00 Window Closed / Lapsed

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