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US3178385A Expired / Lapsed US ⏱️ 0.0 years remaining

Stable aqueous dispersions of spontaneously cross-linking copolymers

Assignee: Bayer AG
•
Filing: 1960-10-11
•
Granted: 1965-04-13
•
Expires: 1980-10-11
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Abstract

No abstract record available.

Inventors

  • 👤 Dinges Karl
  • 👤 Muller Erwin
  • 👤 Berlenbach Wilhelm

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 16:19
CPC Classifications
D; D06; D06P; D06P1/00; D06P1/44; C; C07; C07C; C07C255/00; C08; C08F; C08F20/00; C08F20/02; C08F20/52; C08F20/54; C08F20/60; C08F28/00; D06M; D06M15/00; D06M15/19; D06M15/21; D06M15/285; D06M15/29

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 20 words
A STABLE LATEX OF A COPOLYMER OF (1) 0.5-2.5% BY WEIGHT OF AN OLEFINICALLY UNSATURATED AMINE OF THE GENERAL FORMULA:
Claim 2
Dependent Claim 20 words
A STABLE LATEX OF A COPOLYMER OF (1) 0.5-2.5% BY WEIGHT OF AN OLEFINICALLY UNSATURATED AMINE OF THE GENERAL FORMULA:

References Cited (Backward Citations)

US2478378A Cited
US2762719A Cited
US2681322A Cited
US2595907A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-04-12 1968-10-12 1969-04-13 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-04-12 1972-10-12 1973-04-13 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-04-12 1976-10-12 1977-04-13 $7700.00 Window Closed / Lapsed

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