US2967117A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for coating a substrate with a mixture of a polyhydroxy polyester and a polyisocyanate
Assignee: Bayer AG
•
Filing: 1955-05-20
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Granted: 1961-01-03
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Expires: 1975-05-20
Abstract
No abstract record available.
Inventors
- 👤 Hanns F Arledter
- 👤 Ursula B Piepenbrink
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 02:38
CPC Classifications
B; B05; B05D; B05D3/00; B05D3/04; C; C08; C08G; C08G18/00; C08G18/06; C08G18/08; C08G18/16; C08G18/166; C08G18/168; C08G18/18; C08G18/1891; D; D06; D06M; D06M15/00; D06M15/19; D06M15/37; D06M15/564
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
44 words
A PROCESS FOR COATING A SUBSTRATE WHICH COMPRISES CONTINUOUSLY APPLYING TO SAID SUBSTRATE A MIXTURE OF A POLYHYDROXYL POLYESTER AND A POLYISOCYANATE AND POLYMERIZING SAID MIXTURE BY CONTINUOUSLY APPLYING THERETO A GASEOUS REACTION ACCELERATOR SELECTED FROM THE GROUP CONSISTING OF TERTIARY AMINES AND PHOSPHINES.
Claim 2
Dependent Claim
44 words
A PROCESS FOR COATING A SUBSTRATE WHICH COMPRISES CONTINUOUSLY APPLYING TO SAID SUBSTRATE A MIXTURE OF A POLYHYDROXYL POLYESTER AND A POLYISOCYANATE AND POLYMERIZING SAID MIXTURE BY CONTINUOUSLY APPLYING THERETO A GASEOUS REACTION ACCELERATOR SELECTED FROM THE GROUP CONSISTING OF TERTIARY AMINES AND PHOSPHINES.
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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) | 1964-01-03 | 1964-07-04 | 1965-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-03 | 1968-07-04 | 1969-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-03 | 1972-07-04 | 1973-01-03 | $7700.00 | Window Closed / Lapsed |