US3058899A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polymerization of vinyl compounds
Assignee: MOUSANTO CHEMICAL Co
•
Filing: 1952-10-31
•
Granted: 1962-10-16
•
Expires: 1972-10-31
Abstract
No abstract record available.
Inventors
- 👤 William H Yanko
- 👤 John D Calfee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 08:11
CPC Classifications
C; C08; C08F; C08F14/00; C08F14/18; C08F14/185; C08F14/02; C08F14/04; C08F14/06; C08F2/00; C08F2/46
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
54 words
A PROCESS FOR PRODUCING NORMALLY-SOLID POLYMER PRODUCTS COMPRISING SUBJECTING REACTANTS CONSISTING ESSENTIALLY OF POLYMERIZABLE MATERIAL SELECTED FROM THE CLASS CONSISTING OF VINYL CHLORIDE, 1-CHLORO-1-FLUOROETHYLENE MIXTURES OF VINYL CHLORIDE, AND 1-CHLORO-1-FLUOROETHYLENE AT A PRESSURE OF AT LEAST 5000 POUNDS PER SQUARE INCH TO IONIZING HIGH-ENERGY RADIATION OF POLYMERIZING INTENSITY TO PRODUCE A NORMALLY-SOLID POLYMER PRODUCT.
Claim 2
Dependent Claim
54 words
A PROCESS FOR PRODUCING NORMALLY-SOLID POLYMER PRODUCTS COMPRISING SUBJECTING REACTANTS CONSISTING ESSENTIALLY OF POLYMERIZABLE MATERIAL SELECTED FROM THE CLASS CONSISTING OF VINYL CHLORIDE, 1-CHLORO-1-FLUOROETHYLENE MIXTURES OF VINYL CHLORIDE, AND 1-CHLORO-1-FLUOROETHYLENE AT A PRESSURE OF AT LEAST 5000 POUNDS PER SQUARE INCH TO IONIZING HIGH-ENERGY RADIATION OF POLYMERIZING INTENSITY TO PRODUCE A NORMALLY-SOLID POLYMER PRODUCT.
References Cited (Backward Citations)
GB309002A
Cited
US1961493A
Cited
US2350330A
Cited
CH282096A
Cited
US2392378A
Cited
US2577133A
Cited
FR982840A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-10-15 | 1966-04-16 | 1966-10-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-15 | 1970-04-16 | 1970-10-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-15 | 1974-04-16 | 1974-10-16 | $7700.00 | Window Closed / Lapsed |