US3346524A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gloss retaining urethane coating composition
Assignee: Honeywell International Inc
•
Filing: 1963-06-24
•
Granted: 1967-10-10
•
Expires: 1983-06-24
Abstract
No abstract record available.
Inventors
- 👤 Gerald R Skreckoski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 10:20
CPC Classifications
C; C08; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/40; C08G18/42; C08G18/4205; C08G18/423; C08G18/4233; C08G18/08; C08G18/16; C08G18/4288; C08G18/70; C08G18/72; C08G18/74; C08G18/75; C08G18/758; C08G18/80; C08G18/8003; C08G18/8006; C08G18/8009; C08G18/8022; C08G18/8025
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
105 words
A COATING COMPOSITION CHARACTERIZED BY EXCELLENT RETENTION OF GLOSS ON WEATHERING CONSISTING ESSENTIALLY OF A REACTION PRODUCT DISSOLVED IN AN INERT ORGANIC SOLVENT OF AN ISOCYANATE SELECTED FROM THE GROUP CONSISTING OF METHYLENE-BIS-(4-CYCLOHEXYLISOCYANATE) AND AN ADDUCT OF METHYLENE-BIS-(4-CYCLOHEXYLISOCYANATE) WITH A POLYHYDROXY ORGANIC COMPOUND, SAID ADDUCT HAVING FREE ISOCYANATO GROUPS, AND A POLYESTER OF A FATTY ACID HAVING FREE HYDROXYL GROUPS HAVING A HYDROXY NUMBER OF AT LEAST 30 FORMED FROM A FATTY ACID AND A POLYOL HAVING A MOLECULAR WEIGHT OF FROM 62 TO 164, THE RATIO OF NCO GROUPS TO HYDROXYL GROUPS OF SAID REACTION PRODUCT BEING WITHIN THE RANGE OF 1.5 TO 1.0.
Claim 2
Dependent Claim
105 words
A COATING COMPOSITION CHARACTERIZED BY EXCELLENT RETENTION OF GLOSS ON WEATHERING CONSISTING ESSENTIALLY OF A REACTION PRODUCT DISSOLVED IN AN INERT ORGANIC SOLVENT OF AN ISOCYANATE SELECTED FROM THE GROUP CONSISTING OF METHYLENE-BIS-(4-CYCLOHEXYLISOCYANATE) AND AN ADDUCT OF METHYLENE-BIS-(4-CYCLOHEXYLISOCYANATE) WITH A POLYHYDROXY ORGANIC COMPOUND, SAID ADDUCT HAVING FREE ISOCYANATO GROUPS, AND A POLYESTER OF A FATTY ACID HAVING FREE HYDROXYL GROUPS HAVING A HYDROXY NUMBER OF AT LEAST 30 FORMED FROM A FATTY ACID AND A POLYOL HAVING A MOLECULAR WEIGHT OF FROM 62 TO 164, THE RATIO OF NCO GROUPS TO HYDROXYL GROUPS OF SAID REACTION PRODUCT BEING WITHIN THE RANGE OF 1.5 TO 1.0.
References Cited (Backward Citations)
GB773897A
Cited
US2888412A
Cited
US3012987A
Cited
US3084177A
Cited
US3106537A
Cited
US3015634A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-10-09 | 1971-04-10 | 1971-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-09 | 1975-04-10 | 1975-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-09 | 1979-04-10 | 1979-10-10 | $7700.00 | Window Closed / Lapsed |