US3200103A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vinyl polymerization process using a catalyst of aluminum alkyl compound, oxygen andperoxidized vinyl monomer
Assignee: WR Grace and Co
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Filing: 1963-01-08
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Granted: 1965-08-10
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Expires: 1983-01-08
Abstract
No abstract record available.
Inventors
- 👤 Rajendra N Chadha
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 09:01
CPC Classifications
C; C08; C08F; C08F4/00; C08F4/06; C08F4/12; C08F4/28; C08F4/32
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
94 words
A COMPOSITION OF MATTER COMPRISING (A) A NONGASEOUS VINYL MONOMER, (B) AN ALKYL ALUMINUM COMPOUND CONTAINING FROM 1 TO ABOUT 36 CARBON ATOMS, (C) FROM 0 TO ABOUT 5% BY WEIGHT OF A FREE RADIAL INITIATING AZO COMPOUND, AND (D) A PEROXIDIZED VINYL MONOMER CONTAINING A PLURALITY OF THE GROUPS-RO-O-, WHERE IN R IS THE RESIDUE OF A NONGASIOUS VINYL MONOMER, WITH THE PEROXIDIC OXYGEN, GROUP (-O-O-) BEING PRESENT IN AMOUNTS OF AT LEAST ABOUT 0.05% BY WEIGHT; ALL PERCENTAGES BEING BASED ON THE TOTAL WEIGHT OF THE VINYL MONOMERS PRESENT IN THE COMPOSITION.
Claim 2
Dependent Claim
94 words
A COMPOSITION OF MATTER COMPRISING (A) A NONGASEOUS VINYL MONOMER, (B) AN ALKYL ALUMINUM COMPOUND CONTAINING FROM 1 TO ABOUT 36 CARBON ATOMS, (C) FROM 0 TO ABOUT 5% BY WEIGHT OF A FREE RADIAL INITIATING AZO COMPOUND, AND (D) A PEROXIDIZED VINYL MONOMER CONTAINING A PLURALITY OF THE GROUPS-RO-O-, WHERE IN R IS THE RESIDUE OF A NONGASIOUS VINYL MONOMER, WITH THE PEROXIDIC OXYGEN, GROUP (-O-O-) BEING PRESENT IN AMOUNTS OF AT LEAST ABOUT 0.05% BY WEIGHT; ALL PERCENTAGES BEING BASED ON THE TOTAL WEIGHT OF THE VINYL MONOMERS PRESENT IN THE COMPOSITION.
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) | 1968-08-09 | 1969-02-08 | 1969-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-09 | 1973-02-08 | 1973-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-09 | 1977-02-08 | 1977-08-10 | $7700.00 | Window Closed / Lapsed |