Patent US3814709A successfully refreshed from Google Patents.
US3814709A
Expired / Lapsed
US
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Lacquer binders especially suitable for electrodeposition based on maaleinized polybutadiene oils
Assignee: Bayer AG
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Filing: 1973-07-10
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Granted: 1974-06-04
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Expires: 1993-07-10
Abstract
Abstract POLYMERIC PRODUCTS BASED ON POLYBUTADIENE OIL HAVING A VISCOSITY OF 3-100 POSIE AT 20*C., AN UNSATURATED FATTY ACID ESTER, MALEIC ANHYDRIDE AND, OPTIONALLY, AN ETHYLENICALLY UNSATURATED MONOMER, SAID PRODUCT BEING CHARACTERIZED BY AN ACID VISCOSITY OVER 30,000 POISE AT 20*C. AND THE USE THEREOF AFTER HYDROLYSIS AND SALT FORMATION AS A LACQUER BINDER IN THE FORM OF AN AQUEOUS DISPERSION
Inventors
- 👤 H Meissner
- 👤 R Dhein
- 👤 R Kuchenmeister
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 17:37
CPC Classifications
C; C09; C09D; C09D5/00; C09D5/44; C09D5/4403; C08; C08C; C08C19/00; C08C19/28
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-06-03 | 1977-12-03 | 1978-06-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-06-03 | 1981-12-03 | 1982-06-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-06-03 | 1985-12-03 | 1986-06-04 | $7700.00 | Window Closed / Lapsed |