US3006887A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Protective coatings for polyester resins
Assignee: Hooker Chemical Corp
•
Filing: 1956-08-27
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Granted: 1961-10-31
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Expires: 1976-08-27
Abstract
No abstract record available.
Inventors
- 👤 Blaine O Schoepfle
- 👤 Robitschek Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:31
CPC Classifications
C; C09; C09D; C09D167/00; C08; C08L; C08L67/00; C08L67/06; C09D133/00; C09D133/04; C09D133/06; C09D133/10; C09D133/12; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31786; Y10T428/31797
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
81 words
A PLASTIC ARTICLE COMPRISING A POLYMERIZED HALOGENCONTAINING UNSATURATED RESINOUS REACTION PRODUCT OF A POLYBASIC ACID AND A POLYHYDRIC ALCOHOL AND AN ADHERENT, WEATHER RESISTANT TRANSPARENT COATING, SAID COATING COMPRISING (1) A MATERIAL SELECTED FROM THE GROUP CONSISTING OF THE POLYMERIC FORMS OF ACRYLIC AND METHACRYLIC ACID ESTERS, POLYSTYRENE, POLYETHYLENE, POLYVINYL CHLORIDE AND MIXTURES THEREOF AND CHARACTERIZED DRYING TO TRANSPARENT, TACKFREE FILM AND (2) A 2-HYDROXYBENZOPHENONE IN AN AMOUNT BETWEEN ABOUT ONE PERCENT AND ABOUT FIFTY PERCENT BY WEIGHT OF SAID MATERIAL.
Claim 2
Dependent Claim
81 words
A PLASTIC ARTICLE COMPRISING A POLYMERIZED HALOGENCONTAINING UNSATURATED RESINOUS REACTION PRODUCT OF A POLYBASIC ACID AND A POLYHYDRIC ALCOHOL AND AN ADHERENT, WEATHER RESISTANT TRANSPARENT COATING, SAID COATING COMPRISING (1) A MATERIAL SELECTED FROM THE GROUP CONSISTING OF THE POLYMERIC FORMS OF ACRYLIC AND METHACRYLIC ACID ESTERS, POLYSTYRENE, POLYETHYLENE, POLYVINYL CHLORIDE AND MIXTURES THEREOF AND CHARACTERIZED DRYING TO TRANSPARENT, TACKFREE FILM AND (2) A 2-HYDROXYBENZOPHENONE IN AN AMOUNT BETWEEN ABOUT ONE PERCENT AND ABOUT FIFTY PERCENT BY WEIGHT OF SAID MATERIAL.
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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) | 1964-10-30 | 1965-05-01 | 1965-10-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-10-30 | 1969-05-01 | 1969-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-10-30 | 1973-05-01 | 1973-10-31 | $7700.00 | Window Closed / Lapsed |