Patent US2981711A successfully refreshed from Google Patents.
US2981711A
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US
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Hardenable mixtures of polyglycidyl ethers
Assignee: BASF SE
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Filing: 1955-08-31
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Granted: 1961-04-25
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Expires: 1975-08-31
Abstract
No abstract record available.
Inventors
- 👤 Meyer Ferdinand
- 👤 Demmler Kurt
- 👤 Lissner Oskar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:01
CPC Classifications
C; C08; C08G; C08G59/00; C08G59/18; C08G59/40; C08G59/50; C08G59/5026
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
37 words
A HARDENABLE LACQUER AND MOLDING MIXTURE COMPRISING (A) A POLYGLYCIDYL ETHER OF A COMPOUND SELECTED FROM THE CLASS CONSISTING OF POLYHYDRIC ALCHOLS AND POLYHYDRIC PHENOLS AND (B) AS A HARDENING AGENT A DIAMINE OF THE GENERAL FORMULA
Claim 2
Dependent Claim
37 words
A HARDENABLE LACQUER AND MOLDING MIXTURE COMPRISING (A) A POLYGLYCIDYL ETHER OF A COMPOUND SELECTED FROM THE CLASS CONSISTING OF POLYHYDRIC ALCHOLS AND POLYHYDRIC PHENOLS AND (B) AS A HARDENING AGENT A DIAMINE OF THE GENERAL FORMULA
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-04-24 | 1964-10-24 | 1965-04-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-24 | 1968-10-24 | 1969-04-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-24 | 1972-10-24 | 1973-04-25 | $7700.00 | Window Closed / Lapsed |