US3350366A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cross-linking of polymeric nu-vinyl lactams, polymeric vinyl esters and polymeric acrylate esters with alpha-omega aliphatic diolefins
Assignee: GAF Chemicals Corp
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Filing: 1964-11-17
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Granted: 1967-10-31
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Expires: 1984-11-17
Abstract
No abstract record available.
Inventors
- 👤 Merijan Ashot
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:33
CPC Classifications
C; C08; C08F; C08F271/00; C08F271/02; C08F218/00; C08F218/02; C08F218/04; C08F263/00; C08F263/02; C08F263/04; C08F265/00; C08F265/04; C08K; C08K5/00; C08K5/04; C08K5/14; Y; Y10; Y10S; Y10S507/00; Y10S507/903; Y10S507/933
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
93 words
THE PROCESS OF CROSS-LINKING POLYMERS SELECTED FROM THE CLASS CONSISTING OF POLYMERIC N-VINYL LACTAMS, POLYMERIC VINYL ESTERS, AND POLYMERIC ACRYLATE ESTERS WHICH COMPRISES HEATING ONE MOLE OF SAID POLYMER WITH 0.02 TO 0.3 MOLE OF AT LEAST ONE ALPHA, OMEGA-DIOLEFIN HAVING A MOLECULAR WEIGHT OF FROM 68 TO ABOUT 280 IN SOLUTION OF AN ORGANIC SOLVENT COMMON TO SAID POLYMERIC N-VINYL LACTAM, POLYMERIC ACRYLATE ESTER AND ALPHA, OMEGA-DIOLEFIN IN THE PRESENCE OF 0.05 TO 1.0 MOLE OF AN ORGANIC PEROXIDE PER MOLE OF SAID DIOLEFIN AT A TEMPERATURE OF ABOUT 100* TO 200*C.
Claim 2
Dependent Claim
93 words
THE PROCESS OF CROSS-LINKING POLYMERS SELECTED FROM THE CLASS CONSISTING OF POLYMERIC N-VINYL LACTAMS, POLYMERIC VINYL ESTERS, AND POLYMERIC ACRYLATE ESTERS WHICH COMPRISES HEATING ONE MOLE OF SAID POLYMER WITH 0.02 TO 0.3 MOLE OF AT LEAST ONE ALPHA, OMEGA-DIOLEFIN HAVING A MOLECULAR WEIGHT OF FROM 68 TO ABOUT 280 IN SOLUTION OF AN ORGANIC SOLVENT COMMON TO SAID POLYMERIC N-VINYL LACTAM, POLYMERIC ACRYLATE ESTER AND ALPHA, OMEGA-DIOLEFIN IN THE PRESENCE OF 0.05 TO 1.0 MOLE OF AN ORGANIC PEROXIDE PER MOLE OF SAID DIOLEFIN AT A TEMPERATURE OF ABOUT 100* TO 200*C.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-10-30 | 1971-05-01 | 1971-10-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-30 | 1975-05-01 | 1975-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-30 | 1979-05-01 | 1979-10-31 | $7700.00 | Window Closed / Lapsed |