US3267059A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coating compositions comprising the reaction product of esterified shellac and an epoxy resin
Assignee: GILLESPIE ROGERS PYATT CO Inc
•
Filing: 1960-11-10
•
Granted: 1966-08-16
•
Expires: 1980-11-10
Abstract
No abstract record available.
Inventors
- 👤 Herbert S Cockeram
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 13:35
CPC Classifications
C; C09; C09F; C09F1/00; C09F1/04; C08; C08G; C08G59/00; C08G59/18; C08G59/40; C08G59/62; C08G59/625; C08L; C08L93/00; C08L93/02; C09D; C09D163/00; C09D193/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
105 words
THE PROCESS FOR MAKING A VISCOUS RESINOUS COMPOSITION WHICH COMPRISES THE STEPS OF (1) FORMING A MIXTURE OF INGREDIENTS CONSISTING OF (A) AN ALCOHOLIC SOLUTION OF SHELLAC WHICH HAS BEEN ESTERIFIED WITH SAID ALCOHOL IN AMOUNT WITHIN THE RANGE OF ABOUT 12% TO 50%, AND (B) AN EPOXY COMPOUND WHICH IS SELECTED FROM THE GROUP CONSISTING OF THE MONOMERIC AND POLYMERIC FORMS OF THE DIGLYCIDYL ETHERS OF POLYHYDRIC ALCOHOLS AND PHENOLS, AND (2) HEATING THE AFORESAID MIXTURE AT A TEMPERATURE BELOW 110*C. UNTIL THE ALCOHOL IS DRIVEN OFF, AND THEN AT A TEMPERATURE WITHIN THE RANGE OF ABOUT 110* TO 115*C. FOR ABOUT ONE HOUR.
Claim 2
Dependent Claim
105 words
THE PROCESS FOR MAKING A VISCOUS RESINOUS COMPOSITION WHICH COMPRISES THE STEPS OF (1) FORMING A MIXTURE OF INGREDIENTS CONSISTING OF (A) AN ALCOHOLIC SOLUTION OF SHELLAC WHICH HAS BEEN ESTERIFIED WITH SAID ALCOHOL IN AMOUNT WITHIN THE RANGE OF ABOUT 12% TO 50%, AND (B) AN EPOXY COMPOUND WHICH IS SELECTED FROM THE GROUP CONSISTING OF THE MONOMERIC AND POLYMERIC FORMS OF THE DIGLYCIDYL ETHERS OF POLYHYDRIC ALCOHOLS AND PHENOLS, AND (2) HEATING THE AFORESAID MIXTURE AT A TEMPERATURE BELOW 110*C. UNTIL THE ALCOHOL IS DRIVEN OFF, AND THEN AT A TEMPERATURE WITHIN THE RANGE OF ABOUT 110* TO 115*C. FOR ABOUT ONE HOUR.
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) | 1969-08-15 | 1970-02-14 | 1970-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-15 | 1974-02-14 | 1974-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-15 | 1978-02-14 | 1978-08-16 | $7700.00 | Window Closed / Lapsed |