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US3787407A Expired / Lapsed US ⏱️ 0.0 years remaining

Melamine-derivatives

Assignee: Bayer AG
•
Filing: 1971-08-27
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Granted: 1974-01-22
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Expires: 1991-08-27
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Abstract

Abstract NEW MELAMINE DERIVATIVES OF THE GENERAL FORMULA 2-((R1-O-)2-P(=O)-CH2-N(-R2)-),4-(R3-N(-R4)-),6-(R5-N(-R6) -)-S-TRIAZINE IN WHICH THE RADICALS R1, INDEPENDENTLY OF ONE ANOTHER, MEAN A LOWER ALKYL RADICAL; AND R2, R3, R4, R5 AND R6, INDEPENDENTLY OF ONE ANOTHER, MEAN A HYDROGEN ATOM, A HYDROXYMETHYL GROUP OR A RADICAL OF THE FORMULA -CH2-P(=O)(-O-R1)2 A PROCESS FOR THEIR PRODUCTION AND THEIR USE AS FLAMEPROOFING AGENTS FOR TEXTILE MATERIALS.

Inventors

  • 👤 U Hendricks

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 22:33
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/19; D06M15/37; D06M15/39; D06M15/423; D06M15/43; D06M15/433; C; C07; C07F; C07F9/00; C07F9/02; C07F9/547; C07F9/6515; C07F9/6521; D06M13/00; D06M13/244; D06M13/282; D06M13/288

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) 1977-01-21 1977-07-23 1978-01-22 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1981-01-21 1981-07-23 1982-01-22 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1985-01-21 1985-07-23 1986-01-22 $7700.00 Window Closed / Lapsed

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