US4766252A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Solvent and stain resistant coatings
Assignee: ISP Investments LLC
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Filing: 1987-10-16
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Granted: 1988-08-23
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Expires: 2007-10-16
Abstract
Abstract This invention relates to rapidly curable, non-degradable protective coating compositions containing a divinylether alkene having the formula ##STR1## wherein R is hydrogen or methyl and x and x' are integers each having a value of from 0 to 24, a cross-linkable base resin and a catalytic amount of a cross-linking initiator; and to the preparation and use of the above divinylether alkenes for metal or plastic coatings which possess high resistance to solvents and improved flexibility.
Inventors
- 👤 Fulvio J. Vara
- 👤 Lowell R. Anderson
- 👤 James A. Dougherty
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:21
CPC Classifications
C; C07; C07C; C07C43/00; C07C43/02; C07C43/03; C07C43/14; C07C43/15; C07C43/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
30 words
An alkoxylated divinylether alkene compound having the formula ##STR10## wherein x and x' are integers each having a value of from 1 to 24 wherein R is hydrogen or methyl.
Claim 2
Dependent Claim
30 words
An alkoxylated divinylether alkene compound having the formula ##STR10## wherein x and x' are integers each having a value of from 1 to 24 wherein R is hydrogen or methyl.
References Cited (Backward Citations)
CA621813A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1991-08-23 | 1992-02-22 | 1992-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-08-23 | 1996-02-22 | 1996-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-08-23 | 2000-02-22 | 2000-08-23 | $7700.00 | Window Closed / Lapsed |