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US3083222A Expired / Lapsed US ⏱️ 0.0 years remaining

New cyclic di-imide organo-phosphorus compounds and process for their production

Assignee: Individual
•
Filing: 1958-02-12
•
Granted: 1963-03-26
•
Expires: 1978-02-12
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Abstract

No abstract record available.

Inventors

  • 👤 Binder Hans
  • 👤 Heinle Rudolf

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-07 13:40
CPC Classifications
C; C10; C10M; C10M3/00; C07; C07F; C07F9/00; C07F9/02; C07F9/547; C07F9/6564; C07F9/6581; C07F9/6587; Y; Y10; Y10S; Y10S8/00; Y10S8/21

Claims Analysis

Total Claims: 3
Claim 1
Independent Claim 6 words
A COMPOUND HAVING THE STRUCTURAL FORMULA:
Claim 2
Dependent Claim 6 words
A COMPOUND HAVING THE STRUCTURAL FORMULA:
Claim 3
Dependent Claim 21 words
A PROCESS FOR PRODUCING THE NITROGENOUS, ORGANIC PHOSPHOROUS COMPOUND OF CLAIM 1 WHICH COMPRISES REACTING A PHOSPHOROUS COMPOUND HAVING THE FORMULA:

References Cited (Backward Citations)

US2382309A Cited
US2662095A Cited
US2635112A Cited
US2648706A Cited
US2795609A Cited
US2798086A Cited
US2852550A Cited
US2870190A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1966-03-25 1966-09-24 1967-03-26 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1970-03-25 1970-09-24 1971-03-26 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1974-03-25 1974-09-24 1975-03-26 $7700.00 Window Closed / Lapsed

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