US3048631A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Novel phosphonitrilic isothiocyanate derivatives
Assignee: University of Illinois at Urbana-Champaign
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Filing: 1959-06-23
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Granted: 1962-08-07
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Expires: 1979-06-23
Abstract
No abstract record available.
Inventors
- 👤 Ludwig F Audrieth
- 👤 Rigobert J A Otto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 23:47
CPC Classifications
C; C08; C08G; C08G18/00; C08G18/06; C08G18/70; C08G18/72; C08G18/77; C08G18/776; C07; C07F; C07F9/00; C07F9/02; C07F9/547; C07F9/6564; C07F9/6581; C07F9/65812; C07F9/65814
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
12 words
ADDUCTS OF PHOSPHONITRILIC ISOTHIOCYANATE HAVING AT LEAST THREE REPEATED (NP(Q1)(Q2)) GROUPS WHEREIN
Claim 2
Dependent Claim
12 words
ADDUCTS OF PHOSPHONITRILIC ISOTHIOCYANATE HAVING AT LEAST THREE REPEATED (NP(Q1)(Q2)) GROUPS WHEREIN
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-08-06 | 1966-02-05 | 1966-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-06 | 1970-02-05 | 1970-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-06 | 1974-02-05 | 1974-08-07 | $7700.00 | Window Closed / Lapsed |