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US2795612A Expired / Lapsed US ⏱️ 0.0 years remaining

Poly [3-(lower-alkylcyclohexyl) propyl] amines, salts thereof, and preparation thereof

Assignee: STWB Inc
•
Filing: 1954-06-09
•
Granted: 1957-06-11
•
Expires: 1974-06-09
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Abstract

No abstract record available.

Inventors

  • 👤 Froilan P Luduena

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-07 15:02
CPC Classifications
C; C07; C07C; C07C209/00; C07C209/60

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 1 words
BIS(3-(LOWER-ALKYLCYCLOHEXYL)PREPYL)AMINE.
Claim 2
Dependent Claim 1 words
BIS(3-(LOWER-ALKYLCYCLOHEXYL)PREPYL)AMINE.

References Cited (Backward Citations)

US2180344A Cited
US2278123A Cited
US2226160A Cited
US2225619A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1960-06-10 1960-12-10 1961-06-11 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1964-06-10 1964-12-10 1965-06-11 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1968-06-10 1968-12-10 1969-06-11 $7700.00 Window Closed / Lapsed

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