Patent US3280106A successfully refreshed from Google Patents.
US3280106A
Expired / Lapsed
US
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Aziridinylalkyl ureas
Assignee: Dow Chemical Co
•
Filing: 1964-01-31
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Granted: 1966-10-18
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Expires: 1984-01-31
Abstract
No abstract record available.
Inventors
- 👤 George E Ham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 09:35
CPC Classifications
C; C07; C07C; C07C275/00; C07C275/28; C07D; C07D203/00; C07D203/04; C07D203/06; C07D203/08; C07D203/12
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
5 words
A COMPOUND OF THE FORMULA
Claim 2
Dependent Claim
5 words
A COMPOUND OF THE FORMULA
Claim 3
Independent Claim
97 words
A METHOD OF PREPARING SUBSTITUTED UREA COMPOUNDS WHICH COMPRISES REACTING (I) A COMPOUND OF THE FORMULA (OCN-)M-R AND (II) A COMPOUND OF THE FORMULA (2,2,3,3-TETRA(R0-)AZIRIDINO)-A-NH2 WHEREIN: (A) M IS AN INTEGER OF FROM 1 TO 2, (B) R IS A HYDROCARBON GROUP OF FROM 1 TO 12 CARBON ATOMS WITH A VALENCE EQUAL TO M, (C) -A- IS A DIVALENT SATURATED HYDROCARBON GROUP OF FROM 1 TO 4 CARBON ATOMS, AND (D) EACH R0 IS INDEPENDENTLY SELECTED FROM THE GROUP CONSISTING OF THE HYDROGEN ATOM AND A LOWER ALKYL GROUP OF FROM 1 TO 4 CARBON ATOMS.
Claim 4
Independent Claim
97 words
A METHOD OF PREPARING SUBSTITUTED UREA COMPOUNDS WHICH COMPRISES REACTING (I) A COMPOUND OF THE FORMULA (OCN-)M-R AND (II) A COMPOUND OF THE FORMULA (2,2,3,3-TETRA(R0-)AZIRIDINO)-A-NH2 WHEREIN: (A) M IS AN INTEGER OF FROM 1 TO 2, (B) R IS A HYDROCARBON GROUP OF FROM 1 TO 12 CARBON ATOMS WITH A VALENCE EQUAL TO M, (C) -A- IS A DIVALENT SATURATED HYDROCARBON GROUP OF FROM 1 TO 4 CARBON ATOMS, AND (D) EACH R0 IS INDEPENDENTLY SELECTED FROM THE GROUP CONSISTING OF THE HYDROGEN ATOM AND A LOWER ALKYL GROUP OF FROM 1 TO 4 CARBON ATOMS.
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) | 1969-10-17 | 1970-04-18 | 1970-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-17 | 1974-04-18 | 1974-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-17 | 1978-04-18 | 1978-10-18 | $7700.00 | Window Closed / Lapsed |