US3338985A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Graft copolymers of epoxyethylene groups of polyamide or polyester substrates
Assignee: EIDP Inc
•
Filing: 1966-11-14
•
Granted: 1967-08-29
•
Expires: 1986-11-14
Abstract
No abstract record available.
Inventors
- 👤 Magat Eugene Edward
- 👤 Tanner David
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:19
CPC Classifications
D; D06; D06M; D06M14/00; D06M14/18; D06M14/26; D06M14/30; D06M14/34; C; C08; C08F; C08F283/00; C08F283/04; D06M14/32
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
74 words
A SHAPED STRUCTURE OF A GRAFT COPOLYMER FORMED FROM A LINEAR, SYNTHETIC CONDENSATION POLYMER SELECTED FROM THE CLASS CONSISTING OF (1) A POLYAMIDE WHEREIN THE RECURRING AMIDE LINKAGES ARE AN INTEGRAL PART OF THE POLYMER CHAIN AND (2) A POLYESTER WHEREIN THE RECURRING ESTER LINKAGES ARE AN INTEGRAL PART OF THE POLYMER CHAIN, THE SHAPED STRUCTURE OF THE SAID POLYMER HAVING SIDE CHAINS BEARING EPOXYETHYLENE RADICALS GRAFT POLYMERIZED THERETO, VIA CARBON TO CARBON BONDS.
Claim 2
Dependent Claim
74 words
A SHAPED STRUCTURE OF A GRAFT COPOLYMER FORMED FROM A LINEAR, SYNTHETIC CONDENSATION POLYMER SELECTED FROM THE CLASS CONSISTING OF (1) A POLYAMIDE WHEREIN THE RECURRING AMIDE LINKAGES ARE AN INTEGRAL PART OF THE POLYMER CHAIN AND (2) A POLYESTER WHEREIN THE RECURRING ESTER LINKAGES ARE AN INTEGRAL PART OF THE POLYMER CHAIN, THE SHAPED STRUCTURE OF THE SAID POLYMER HAVING SIDE CHAINS BEARING EPOXYETHYLENE RADICALS GRAFT POLYMERIZED THERETO, VIA CARBON TO CARBON BONDS.
References Cited (Backward Citations)
US2844552A
Cited
US2798833A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-08-28 | 1971-02-27 | 1971-08-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-28 | 1975-02-27 | 1975-08-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-28 | 1979-02-27 | 1979-08-29 | $7700.00 | Window Closed / Lapsed |