US3290415A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Graft copolymer of polymeric hydrocarbon and organic acid bearing radical
Assignee: EIDP Inc
•
Filing: 1959-03-26
•
Granted: 1966-12-06
•
Expires: 1979-03-26
Abstract
No abstract record available.
Inventors
- 👤 Tanner David
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 10:28
CPC Classifications
C; C08; C08F; C08F255/00; Y; Y10; Y10S; Y10S8/00; Y10S8/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
97 words
A GRAFT COPOLYMER CONSISTING ESSENTIALY OF (A) A POLYMERIC HYDROCARBON SUBSTRATE DERIVED BY ADDITION POLYMERIZATION OF ALIPHATIC MONO-OLEFIN AND (B) GRAFTED THERETO BY A CARBON-TO-CARBON LINKAGE, A PLURALITY OF SIDE CHAINS OF MONOMERIC UNITS HAVING GROUPS FROM THE CLASS CONSISTING OF ACID GROUPS AND ACID ANHYDRIDE GROUPS, THE SAID SIDE CHAIN COMPRISING FROM ABOUT 0.26% TO ABOUT 200% BY WEIGHT OF THE SAID COPOLYMER AND BEING DERIVED BY FREE RADICAL MECHANISM FROM AN ORGANIC COMPOUND HAVING (1) ALIPHATIC CARBON-TO-CARBON UNSATURATED AND (2) A RADICAL FROM THE CALSS CONSISTING OF AN ACID RADICAL AND AN ACID ANHYDRIDE RADICAL.
Claim 2
Dependent Claim
97 words
A GRAFT COPOLYMER CONSISTING ESSENTIALY OF (A) A POLYMERIC HYDROCARBON SUBSTRATE DERIVED BY ADDITION POLYMERIZATION OF ALIPHATIC MONO-OLEFIN AND (B) GRAFTED THERETO BY A CARBON-TO-CARBON LINKAGE, A PLURALITY OF SIDE CHAINS OF MONOMERIC UNITS HAVING GROUPS FROM THE CLASS CONSISTING OF ACID GROUPS AND ACID ANHYDRIDE GROUPS, THE SAID SIDE CHAIN COMPRISING FROM ABOUT 0.26% TO ABOUT 200% BY WEIGHT OF THE SAID COPOLYMER AND BEING DERIVED BY FREE RADICAL MECHANISM FROM AN ORGANIC COMPOUND HAVING (1) ALIPHATIC CARBON-TO-CARBON UNSATURATED AND (2) A RADICAL FROM THE CALSS CONSISTING OF AN ACID RADICAL AND AN ACID ANHYDRIDE RADICAL.
References Cited (Backward Citations)
CA499577A
Cited
US2227777A
Cited
US2405817A
Cited
US2609353A
Cited
US2837496A
Cited
US2947718A
Cited
FR1172920A
Cited
US2863812A
Cited
FR1154139A
Cited
FR1175843A
Cited
US2955953A
Cited
FR1161824A
Cited
AT202353B
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-05 | 1970-06-06 | 1970-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-05 | 1974-06-06 | 1974-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-05 | 1978-06-06 | 1978-12-06 | $7700.00 | Window Closed / Lapsed |