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US4055720A Expired / Lapsed US ⏱️ 0.0 years remaining

Diaminotrihalopropyl triazines: and their methylol derivatives

Assignee: United States Department of Agriculture
•
Filing: 1976-05-25
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Granted: 1977-10-25
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Expires: 1996-05-25
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Abstract

Abstract 2,4-Diamino-6(3,3,3-tribromo-1-propyl)-1,3,5-triazine and 2,4-diamino-6(3,3,3-trichloro-1-propyl)-1,3,5-triazine were prepared by the reaction of the corresponding methyl or ethyl gamma -tribromo-butyrate or methyl or ethyl gamma -trichlorobutyrate with biguanide. The N-methylol derivatives of the diaminotrihalopropyl triazines were prepared by the reaction of the triazines with aqueous formaldehyde. Two pure tetramethylol derivatives were prepared, namely: 2,4-bis[bis(hydroxymethyl)amino]-6-(3,3,3-tribromo-1-propyl)-1,3,5-tri azine and 2,4-bis[bis(hydroxymethyl)amino]-6-(3,3,3-trichloro-1-propyl)-1,3,5-tr iazine. The tetramethylol derivatives were used to impart durable flame retardancy and wrinkle recovery to cellulosic textiles, particularly to cotton. Flame-retardancy was also imparted to wool and to blends of cotton and polyester.

Inventors

  • 👤 Leon H. Chance
  • 👤 Judy D. Timpa

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 15:16
CPC Classifications
C; C07; C07D; C07D251/00; C07D251/02; C07D251/12; C07D251/14; C07D251/16; C07D251/18; D; D06; D06M; D06M13/00; D06M13/322; D06M13/35; D06M13/355; D06M13/358; Y; Y10; Y10S; Y10S428/00; Y10S428/92; Y10S428/921

Claims Analysis

Total Claims: 8
Claim 1
Independent Claim 1 words
2,4-Diamino-6(3,3,3-tribromo-1-propyl)-1,3,5-triazine.
Claim 2
Dependent Claim 1 words
2,4-Diamino-6(3,3,3-tribromo-1-propyl)-1,3,5-triazine.
Claim 3
Dependent Claim 1 words
2,4-Diamino-6(3,3,3-trichloro-1-propyl)1,3,5-triazine.
Claim 4
Dependent Claim 1 words
2,4-Diamino-6(3,3,3-trichloro-1-propyl)1,3,5-triazine.
Claim 5
Dependent Claim 1 words
2,4-Bis[bis(hydroxymethyl)amino]-6(3,3,3-tribromo-1-propyl)-1,3,5-triazine.
Claim 6
Dependent Claim 1 words
2,4-Bis[bis(hydroxymethyl)amino]-6(3,3,3-tribromo-1-propyl)-1,3,5-triazine.
Claim 7
Dependent Claim 1 words
2,4-Bis[bis(hydroxymethyl)amino]-6(3,3,3-trichloro-1-propyl)-1,3,5-triazine.
Claim 8
Dependent Claim 1 words
2,4-Bis[bis(hydroxymethyl)amino]-6(3,3,3-trichloro-1-propyl)-1,3,5-triazine.

References Cited (Backward Citations)

US3162633A Cited
US3536710A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1980-10-24 1981-04-25 1981-10-25 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1984-10-24 1985-04-25 1985-10-25 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1988-10-24 1989-04-25 1989-10-25 $7700.00 Window Closed / Lapsed

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