US2589655A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Interpolymers and method of making same
Assignee: Sherwin Williams Co
•
Filing: 1950-07-27
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Granted: 1952-03-18
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Expires: 1970-07-27
Abstract
No abstract record available.
Inventors
- 👤 Armitage Frank
- 👤 Fry Eric Sydney John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:41
CPC Classifications
C; C08; C08F; C08F12/00; C08F12/02; C08F12/32; C08F212/00; C08F212/02; C08F212/04; C08F212/06; C08F212/08; C08F212/32
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
78 words
A PROCESS FOR THE PRODUCTION OF INTERPOLYMERS COMPRISING HEATING A MIXTURE COMPRISING AT LEAST ONE FATTY ACID COMPOUND SELECTED FROM THE GROUP CONSISTING OF DRYING AND SEMI-DRYING FATTY OILS, DRYING AND SEMI-DRYING FATTY OILS ACID AND DRYING AND SEMI-DRYING OIL MODIFIED ALKYD RESIN AND AN ACENAPHTHYLENE COMPOUND SELECTED FROM THE GROUP CONSISTING OF ACENAPHTHYLENE, NUCLEAR HALOGEN SUBSTITUTED DERIVATES THEREOF, AND NUCLEAR ALKYL SUBSTITUTED DERIVATIVES THEREOF, THE HEATING BEING CONTINUED UNTIL THE REACTION PRODUCT IS SUBSTANTIALLY CLEAR AND HOMOGENEOUS
Claim 2
Dependent Claim
78 words
A PROCESS FOR THE PRODUCTION OF INTERPOLYMERS COMPRISING HEATING A MIXTURE COMPRISING AT LEAST ONE FATTY ACID COMPOUND SELECTED FROM THE GROUP CONSISTING OF DRYING AND SEMI-DRYING FATTY OILS, DRYING AND SEMI-DRYING FATTY OILS ACID AND DRYING AND SEMI-DRYING OIL MODIFIED ALKYD RESIN AND AN ACENAPHTHYLENE COMPOUND SELECTED FROM THE GROUP CONSISTING OF ACENAPHTHYLENE, NUCLEAR HALOGEN SUBSTITUTED DERIVATES THEREOF, AND NUCLEAR ALKYL SUBSTITUTED DERIVATIVES THEREOF, THE HEATING BEING CONTINUED UNTIL THE REACTION PRODUCT IS SUBSTANTIALLY CLEAR AND HOMOGENEOUS
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) | 1955-03-18 | 1955-09-17 | 1956-03-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-03-18 | 1959-09-17 | 1960-03-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-03-18 | 1963-09-17 | 1964-03-18 | $7700.00 | Window Closed / Lapsed |