Patent US2709693A successfully refreshed from Google Patents.
US2709693A
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Etherified condensation products of formaldehyde with amino-1:3:5-triazines containing at least two aminogroups
Assignee: BASF Schweiz AG
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Filing: 1951-11-27
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Granted: 1955-05-31
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Expires: 1971-11-27
Abstract
No abstract record available.
Inventors
- 👤 Widmer Gustav
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:39
CPC Classifications
C; C08; C08G; C08G12/00; C08G12/02; C08G12/40; C08G12/42; C08G12/424; C08G12/425
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
52 words
AN AIR-DRYING ETHER OF A FORMALDEHYDE CONDENSATION PRODUCT OF AN AMINOTRIAZINE CONTAINING AT LEAST TWO NH2GROUPS IN WHICH ETHER AT LEAST ONE HYDROXYMETHYTL GROUP PER NH2-GROUP PRESENT IN THE AMINOTRIAZINE IS ETHERIFIED WITH A MONOHYDRIC UNSUBSTITUTED UNSATURATED ALIPHATIC ALCOHOL HAVING AT LEAST 18 CARBON ATOMS AND CONTAINING AT LEAST TWO DOUBLE BONDS.
Claim 2
Dependent Claim
52 words
AN AIR-DRYING ETHER OF A FORMALDEHYDE CONDENSATION PRODUCT OF AN AMINOTRIAZINE CONTAINING AT LEAST TWO NH2GROUPS IN WHICH ETHER AT LEAST ONE HYDROXYMETHYTL GROUP PER NH2-GROUP PRESENT IN THE AMINOTRIAZINE IS ETHERIFIED WITH A MONOHYDRIC UNSUBSTITUTED UNSATURATED ALIPHATIC ALCOHOL HAVING AT LEAST 18 CARBON ATOMS AND CONTAINING AT LEAST TWO DOUBLE BONDS.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-05-30 | 1958-11-29 | 1959-05-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-05-30 | 1962-11-29 | 1963-05-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-05-30 | 1966-11-29 | 1967-05-31 | $7700.00 | Window Closed / Lapsed |