Patent US2296654A successfully refreshed from Google Patents.
Patent US272588A successfully refreshed from Google Patents.
US2978434A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sulfur-stabilized polyester-containing molding composition
Assignee: Glaskyd Inc
•
Filing: 1956-11-15
•
Granted: 1961-04-04
•
Expires: 1976-11-15
Abstract
No abstract record available.
Inventors
- 👤 Arthur M Howald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 10:02
CPC Classifications
C; C08; C08K; C08K3/00; C08K3/02; C08K3/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
52 words
A MOLDING COMPOSITION COMPRISING A POLYMERIZABLE, ETHYLENICALLY UNSATURATED POLYESTER BINDER WHICH IS A PRODUCT OF A REACTION BETWEEN AT LEAST ONE DICARBOXYLIC ACID, INCLUDING AN ETHYLENICALLY UNSATURATED DICARBOXYLIC ACID AND AT LEAST ONE POLYHYDROXY ALCOHOL AND FROM 0.01 PERCENT TO 0.5 PERCENT OF SULPHUR, BASED UPON THE WEIGHT OF THE POLYESTER BINDER.
Claim 2
Dependent Claim
52 words
A MOLDING COMPOSITION COMPRISING A POLYMERIZABLE, ETHYLENICALLY UNSATURATED POLYESTER BINDER WHICH IS A PRODUCT OF A REACTION BETWEEN AT LEAST ONE DICARBOXYLIC ACID, INCLUDING AN ETHYLENICALLY UNSATURATED DICARBOXYLIC ACID AND AT LEAST ONE POLYHYDROXY ALCOHOL AND FROM 0.01 PERCENT TO 0.5 PERCENT OF SULPHUR, BASED UPON THE WEIGHT OF THE POLYESTER BINDER.
References Cited (Backward Citations)
CA516331A
Cited
US2568331A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-04-03 | 1964-10-03 | 1965-04-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-03 | 1968-10-03 | 1969-04-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-03 | 1972-10-03 | 1973-04-04 | $7700.00 | Window Closed / Lapsed |