US3423381A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Simultaneous copolymerization and alkylation of heterocyclic n-vinyl monomers with alpha-olefins
Assignee: GAF Corp
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Filing: 1965-11-18
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Granted: 1969-01-21
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Expires: 1985-11-18
Abstract
No abstract record available.
Inventors
- 👤 Ashot Merijan
- 👤 Frederick Grosser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:14
CPC Classifications
A; A61; A61Q; A61Q5/00; A61Q5/06; A61K; A61K8/00; A61K8/18; A61K8/72; A61K8/81; A61K8/817; A61K8/8182; C; C08; C08F; C08F26/00; C08F26/06; C08F8/00; C08F8/18; C08F8/20; C10; C10M; C10M143/00; C10M145/00; C10M145/02; C10M147/00; C10M149/00; C10M149/02; C10M149/10; C08F2800/00; C08F2800/10; C08F2800/20; C10M2205/00; C10M2205/02; C10M2209/00; C10M2209/02; C10M2213/00; C10M2213/02; C10M2213/06; C10M2213/062; C10M2217/00; C10M2217/02; C10M2217/028; C10M2217/06; C10N; C10N2030/00; C10N2030/12; C10N2040/00; C10N2040/08; Y; Y10; Y10S; Y10S424/00; Y10S424/01
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
27 words
ALKYLATED LINEAR COPOLYMER OF 5- TO 7-MEMBERED HETEROCYCLIC N-VINYL MONOMER AND A-OLEFIN COMPRISING RECURRING STRUCTURAL UNITS SELECTED FROM THE CLAUSE CONSISTING OF THOSE HAVING THE FOLLOWING FORMULAE:
Claim 2
Dependent Claim
27 words
ALKYLATED LINEAR COPOLYMER OF 5- TO 7-MEMBERED HETEROCYCLIC N-VINYL MONOMER AND A-OLEFIN COMPRISING RECURRING STRUCTURAL UNITS SELECTED FROM THE CLAUSE CONSISTING OF THOSE HAVING THE FOLLOWING FORMULAE:
Claim 3
Dependent Claim
78 words
THE PROCESS OF SIMULTANEOUSLY COPOLYMERIZING AND ALKYLATING AN N-VINYL LACTAM WITH AN A-OLEFIN WHICH COMPRISES HEATING ONE MOLE OF AN N-VINYL LACTAM WITH 0.05 TO 10 MOLES OF AN A-OLEFIN OF FROM 2 TO ABOUT 180 CARBON ATOMS IN SOLUTION OF AN ORGANIC SOLVENT COMMON TO THE SAID N-VINYL LACTAM AND A-OLEFIN IN THE PRESENCE OF 0.025 TO 0.30 MOLE OF AN ORGANIC PEROXIDE CATALYST PER MOLE OF SAID A-OLEFIN AT A TEMPERATURE RANGING FROM 80* TO 200*C.
Claim 4
Dependent Claim
78 words
THE PROCESS OF SIMULTANEOUSLY COPOLYMERIZING AND ALKYLATING AN N-VINYL LACTAM WITH AN A-OLEFIN WHICH COMPRISES HEATING ONE MOLE OF AN N-VINYL LACTAM WITH 0.05 TO 10 MOLES OF AN A-OLEFIN OF FROM 2 TO ABOUT 180 CARBON ATOMS IN SOLUTION OF AN ORGANIC SOLVENT COMMON TO THE SAID N-VINYL LACTAM AND A-OLEFIN IN THE PRESENCE OF 0.025 TO 0.30 MOLE OF AN ORGANIC PEROXIDE CATALYST PER MOLE OF SAID A-OLEFIN AT A TEMPERATURE RANGING FROM 80* TO 200*C.
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) | 1972-01-21 | 1972-07-22 | 1973-01-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-21 | 1976-07-22 | 1977-01-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-21 | 1980-07-22 | 1981-01-21 | $7700.00 | Window Closed / Lapsed |