US2658895A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Z-alkylphenyl-j
Assignee: —
•
Filing: —
•
Granted: 1953-11-10
•
Expires: 1970-11-10
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 09:58
CPC Classifications
C; C07; C07D; C07D239/00; C07D239/02; C07D239/24; C07D239/26; C07D239/06; Y; Y10; Y10S; Y10S524/00; Y10S524/925; Y10S524/929
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
50 words
A COMPOUND OF THE GROUP CONSISTING OF TETRAHYDROPYRIMIDINES AND ACID SALTS THEREOF, WHICH TETRAHYDROPYRIMIDINES ARE MEMBERS OF THE GROUP CONSISTING OF THE 3,4,5,6-TETRAHYDROPYRIMIDINES AND 4,4,6-TRIMETHYL-3,4,5,6-TETRAHYDROPYRIMIDINES SUBSTITUTED IN THE 2-POSITION BY AN ALKYL PHENYL RADICAL OF THE GROUP CONSISTING OF THE PARA-TERTIARY BUTYL PHENYL, PARA-OCTYL PHENYL, AND 3,5-DITERTIARY BUTYL PHENYL RADICALS.
Claim 2
Dependent Claim
50 words
A COMPOUND OF THE GROUP CONSISTING OF TETRAHYDROPYRIMIDINES AND ACID SALTS THEREOF, WHICH TETRAHYDROPYRIMIDINES ARE MEMBERS OF THE GROUP CONSISTING OF THE 3,4,5,6-TETRAHYDROPYRIMIDINES AND 4,4,6-TRIMETHYL-3,4,5,6-TETRAHYDROPYRIMIDINES SUBSTITUTED IN THE 2-POSITION BY AN ALKYL PHENYL RADICAL OF THE GROUP CONSISTING OF THE PARA-TERTIARY BUTYL PHENYL, PARA-OCTYL PHENYL, AND 3,5-DITERTIARY BUTYL PHENYL RADICALS.
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) | 1956-11-09 | 1957-05-11 | 1957-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-09 | 1961-05-11 | 1961-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-09 | 1965-05-11 | 1965-11-10 | $7700.00 | Window Closed / Lapsed |