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US3595656A Expired / Lapsed US ⏱️ 0.0 years remaining

Reprographic materials containing a water-insoluble azidochalcone

Assignee: Kalle GmbH and Co KG
•
Filing: 1968-07-03
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Granted: 1971-07-27
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Expires: 1988-07-03
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Abstract

Abstract THIS INVENTION RELATES TO A REPROGRAPHIC MATERIAL FOR THE PRODUCTION OF PRINTING FROMS OR OTHER IMAGE-BEARING PRODUCTS, THE MATERIAL INCLUDING ALYAER CONTAINING AT LEAST ONE WATER-INSOLUBLE PHOSTOSENSITIVE AZIDOCHALCONE COMPOUND OF THE GENERAL FORMULA 1-(((R)M-PHENYL)-CO-(CH=CH)N-CH=C(-X)-),2-Q,N3-BENZENE IN WHICH Q IS HYDROEN OR A SUBSTITUENT GROUP, EACH R IS A SUBSTITUENT GROUP, X IS HYDROGEN OR HALOGEN, M=1 OR 2 AND N=O OR 18 THE AZIDO GROUP BEING IN THE 3- OR 4POSTION OF THE BENZENE RING RELATIVE TO THE UNSATURATED CHAIN, AND ONE SUBSTITUENT GROUP R AMY BE LINKED WITH A FURTHER SUBSTITUENT GROUP R OF THE SAME BENZENE RING OR OF THE CORRESPONDING BENZENE RING OF A SECOND STRUCTURE OF THE SAME KIND.

Inventors

  • 👤 Hans Ruckert
  • 👤 Herbert Maar
  • 👤 Walter Luders

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 05:28
CPC Classifications
C; C07; C07C; C07C247/00; G; G03; G03C; G03C1/00; G03C1/695; G03F; G03F7/00; G03F7/004; G03F7/008

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) 1974-07-26 1975-01-25 1975-07-27 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1978-07-26 1979-01-25 1979-07-27 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1982-07-26 1983-01-25 1983-07-27 $7700.00 Window Closed / Lapsed

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