US2864781A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Salts of new hardenable, basic, ternary condensation products
Assignee: BASF Schweiz AG
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Filing: 1957-01-07
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Granted: 1958-12-16
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Expires: 1977-01-07
Abstract
No abstract record available.
Inventors
- 👤 Albrecht Otto
- 👤 Hiestand Armin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:47
CPC Classifications
C; C08; C08G; C08G12/00; C08G12/02; C08G12/26; C08G12/34
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
60 words
A WATER-SOLUBLE SALT OF A HARDENABLE BASIC TERNARY CONDENSATION PRODUCT WHICH HAS BEEN OBTAINED BY HEATING TOGETHER FIRST (A) AN ETHER OF A METHYLOL-MELAMINE WITH A LOW-MOLECULAR ALIPHATIC ALCOHOL HAVING AT MOST 4 C-ATOMS WITH (C) TRIETHANOLAMINE, AND THEN HEATING THE CONDENSATION PRODUCT SO OBTAINED WITH (B) A MEMBER SELECTED FROM THE GROUP CONSISTING OF MONOCARBOXYLIC ACIDS OF THE FORMULA
Claim 2
Dependent Claim
60 words
A WATER-SOLUBLE SALT OF A HARDENABLE BASIC TERNARY CONDENSATION PRODUCT WHICH HAS BEEN OBTAINED BY HEATING TOGETHER FIRST (A) AN ETHER OF A METHYLOL-MELAMINE WITH A LOW-MOLECULAR ALIPHATIC ALCOHOL HAVING AT MOST 4 C-ATOMS WITH (C) TRIETHANOLAMINE, AND THEN HEATING THE CONDENSATION PRODUCT SO OBTAINED WITH (B) A MEMBER SELECTED FROM THE GROUP CONSISTING OF MONOCARBOXYLIC ACIDS OF THE FORMULA
References Cited (Backward Citations)
US2783231A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-15 | 1962-06-16 | 1962-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-15 | 1966-06-16 | 1966-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-15 | 1970-06-16 | 1970-12-16 | $7700.00 | Window Closed / Lapsed |