US2877202A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of modifying alkyd resins with
Assignee: —
•
Filing: —
•
Granted: 1959-03-10
•
Expires: 1976-03-10
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:20
CPC Classifications
C; C08; C08G; C08G63/00; C08G63/68; C08G63/695; C08G63/6954; C08G77/00; C08G77/42; C08G77/445; C08L; C08L83/00; C08L83/04; C09; C09D; C09D183/00; C09D183/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
40 words
A METHOD OF FORMING A RESINOUS COATING MATERIAL SOLUBLE IN XYLENE, TOLUENE AND IN NAPHTA, SAID METHOD COMPRISING THE STEPS OF SUBJECTING TO ESTER INTERCHANGE A MIXTURE OF ALKYD CONTAINING FREE HYDROXYL GROUPS AND A POLYSILOXANE COMPOUND OF THE FORMULA:
Claim 2
Independent Claim
40 words
A METHOD OF FORMING A RESINOUS COATING MATERIAL SOLUBLE IN XYLENE, TOLUENE AND IN NAPHTA, SAID METHOD COMPRISING THE STEPS OF SUBJECTING TO ESTER INTERCHANGE A MIXTURE OF ALKYD CONTAINING FREE HYDROXYL GROUPS AND A POLYSILOXANE COMPOUND OF THE FORMULA:
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-03-09 | 1962-09-08 | 1963-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-09 | 1966-09-08 | 1967-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-09 | 1970-09-08 | 1971-03-10 | $7700.00 | Window Closed / Lapsed |