US4565843A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lacquer solutions based on hydantoin group-containing polymers
Assignee: Bayer AG
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Filing: 1984-12-18
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Granted: 1986-01-21
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Expires: 2004-12-18
Abstract
Abstract This invention relates to new wire lacquers based on hydantoin group-containing polymers.
Inventors
- 👤 Willi Dunwald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 03:16
CPC Classifications
C; C09; C09D; C09D179/00; C09D179/04; H; H01; H01B; H01B3/00; H01B3/18; H01B3/30; H01B3/303; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31551; Y10T428/31605
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
46 words
Lacquers for the production of coatings based on hydantoin group-containing polymers prepared by admixing i) from 0.01 to 10%, by weight, based on the solids content, of compounds containing one or more primary, secondary or tertiary amine nitrogens and ii) a solution of hydantoin group-containing polymers.
Claim 2
Dependent Claim
46 words
Lacquers for the production of coatings based on hydantoin group-containing polymers prepared by admixing i) from 0.01 to 10%, by weight, based on the solids content, of compounds containing one or more primary, secondary or tertiary amine nitrogens and ii) a solution of hydantoin group-containing polymers.
Claim 3
Dependent Claim
14 words
Lacquers according to claim 1 wherein the amine nitrogen-containing compounds comprise a butyraldehyde-aniline condensate.
Claim 4
Dependent Claim
12 words
Lacquers according to claim 1 wherein the amine nitrogen-containing compounds comprise 1,4-diazabicyclo-[2,2,2]-octane.
Claim 5
Dependent Claim
20 words
Lacquers according to claim 1 wherein the amine nitrogen-containing compounds comprise a 20%, by weight, solution of 1,4-diazabicyclo-[2,2,2]-octane in dimethyl-ethanolamine.
Claim 6
Dependent Claim
16 words
In a coated substrate, the improvement comprises said coating being a lacquer according to claim 1.
Claim 7
Dependent Claim
18 words
In a lacquer coated wire, the improvement comprises said lacquer coating being a lacquer according to claim 1.
References Cited (Backward Citations)
US2950262A
Cited
US4448942A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1989-01-20 | 1989-07-22 | 1990-01-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-01-20 | 1993-07-22 | 1994-01-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-01-20 | 1997-07-22 | 1998-01-21 | $7700.00 | Window Closed / Lapsed |