US2600414A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vulcanization of acrylic resins
Assignee: Individual
•
Filing: 1947-08-22
•
Granted: 1952-06-17
•
Expires: 1967-08-22
Abstract
No abstract record available.
Inventors
- 👤 William C Mast
- 👤 Chessie E Rehberg
- 👤 Charles H Fisher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 02:19
CPC Classifications
C; C08; C08K; C08K3/00; C08K3/02; C08K3/06
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
72 words
A PROCESS OF PREPARING A SYNTHETIC RUBBER COMPRISING COMPOUNDING A COPOLYMER PREPARED FROM A MIXTURE CONTAINING, AS MONOMERIC COMPONENTS, ALKYL ACRYLATE AND METHYL VINYL KETONE IN THE PROPORTION OF FROM 80 TO 98 PERCENT OF ACRYLATE TO AT LEAST 2 PERCENT OF THE KETONE, WITH A VULCANIZING AGENT SELECTED FROM THE GROUP CONSISTING OF SULFUR AND THE COMBINATION OF QUINONE DIOXIME AND RED LEAD, AND HEATING THE COMPOUNDED MIXTURE TO EFFECT VULCANIZATION.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-06-17 | 1955-12-17 | 1956-06-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-06-17 | 1959-12-17 | 1960-06-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-06-17 | 1963-12-17 | 1964-06-17 | $7700.00 | Window Closed / Lapsed |