US3036070A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sulfonilamido-pyrazolo[3, 4-d]-pyrimidines
Assignee: BASF Corp
•
Filing: 1958-11-21
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Granted: 1962-05-22
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Expires: 1978-11-21
Abstract
No abstract record available.
Inventors
- 👤 Druey Jean
- 👤 Schmidt Paul
- 👤 Eichenberger Kurt
- 👤 Wilhelm Max
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:22
CPC Classifications
C; C07; C07D; C07D487/00; C07D487/02; C07D487/04
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
80 words
3-R-4-R1-6-R2-PYRAZOLO (3,4-D) PYRIMIDINES HAVING ATTACHED TO THE SECONDARY NITROGEN ATOM OF THE PYRAZOLE NUCLEUS A MEMBER SELECTED FROM THE GROUP CONSISTING OF HYDROGEN, UNSATURATED PHENYL, HALOGENO-PHENYL, LOWER ALKYL-PHENYL, LOWER ALKOXY-PHENYL, NITRO-PHENYL, AMINO PHENYL, CYCLOPENTYL, CYCLOHEXYL, LOWER ALKYL, LOWER HYDROXYALKYL AND AMINOALKYL, WHEREIN ONE OF THE SUBSTITU-UENTS R, R1 AND R2 STANDS FOR P-AMINO-BENZENE SULFONYLAMINO AND THE REMAINING TWO SUBSTITUTENTS STAND FOR MEMBERS SELECTED FROM THE GROUP CONSISITNG OF HYDROGEN, LOWER ALKYL, HALOGENO, LOWER ALKOXY, LOWER ALKYL-MERCAPTO, LOWER DIALKYLAMINO, LOWER ALKYLENEAMINO,
Claim 2
Dependent Claim
80 words
3-R-4-R1-6-R2-PYRAZOLO (3,4-D) PYRIMIDINES HAVING ATTACHED TO THE SECONDARY NITROGEN ATOM OF THE PYRAZOLE NUCLEUS A MEMBER SELECTED FROM THE GROUP CONSISTING OF HYDROGEN, UNSATURATED PHENYL, HALOGENO-PHENYL, LOWER ALKYL-PHENYL, LOWER ALKOXY-PHENYL, NITRO-PHENYL, AMINO PHENYL, CYCLOPENTYL, CYCLOHEXYL, LOWER ALKYL, LOWER HYDROXYALKYL AND AMINOALKYL, WHEREIN ONE OF THE SUBSTITU-UENTS R, R1 AND R2 STANDS FOR P-AMINO-BENZENE SULFONYLAMINO AND THE REMAINING TWO SUBSTITUTENTS STAND FOR MEMBERS SELECTED FROM THE GROUP CONSISITNG OF HYDROGEN, LOWER ALKYL, HALOGENO, LOWER ALKOXY, LOWER ALKYL-MERCAPTO, LOWER DIALKYLAMINO, LOWER ALKYLENEAMINO,
Claim 3
Dependent Claim
20 words
A MEMBER SELECTED FROM THE GROUP CONSISTING OF ALKALI AND ALKALINE EARTH METAL SALTS OF THE COMPOUNDS OF CLAIM 1.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-05-21 | 1965-11-20 | 1966-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-21 | 1969-11-20 | 1970-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-21 | 1973-11-20 | 1974-05-22 | $7700.00 | Window Closed / Lapsed |