Patent US3268622A successfully refreshed from Google Patents.
US3268622A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compositions comprising graft copolymers of certain monomeric polyclycol esters of acrylates and methacrylates on polyester substrates
Assignee: Dow Chemical Co
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Filing: 1962-06-22
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Granted: 1966-08-23
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Expires: 1982-06-22
Abstract
No abstract record available.
Inventors
- 👤 George W Stanton
- 👤 Teddy G Traylor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:41
CPC Classifications
D; D06; D06M; D06M14/00; D06M14/08; D06M14/12; D06M14/14; C; C08; C08F; C08F283/00; C08F283/02; Y; Y10; Y10S; Y10S8/00; Y10S8/92; Y10S8/922
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
66 words
DYE-RECEPTIVE GRAFT COPOLYMER COMPOSITION COMPRISED OF (1) A POLYESTER POLYMER SUBSTRATE WHICH IS A FIBER-FORMING POLYMER HAVING AS AN ESSENTIAL INGREDIENT IN THE POLYMER CHAIN RECURRING UNITS OF AN AROMATIC NUCLEUS HAVING CHEMICALLY ATTACHED THERETO TO CARBON ATOMS THEREIN UP TO ABOUT 20 WEIGHT PERCENT, BASED ON THE WEIGHT OF THE COMPOSITION, AS GRAFT COPOLYMERIZED SUBSTITUENTS THEREON, (2) POLYMERIZED UNITS OF A MONOMER OF THE FORMULA:
Claim 2
Dependent Claim
66 words
DYE-RECEPTIVE GRAFT COPOLYMER COMPOSITION COMPRISED OF (1) A POLYESTER POLYMER SUBSTRATE WHICH IS A FIBER-FORMING POLYMER HAVING AS AN ESSENTIAL INGREDIENT IN THE POLYMER CHAIN RECURRING UNITS OF AN AROMATIC NUCLEUS HAVING CHEMICALLY ATTACHED THERETO TO CARBON ATOMS THEREIN UP TO ABOUT 20 WEIGHT PERCENT, BASED ON THE WEIGHT OF THE COMPOSITION, AS GRAFT COPOLYMERIZED SUBSTITUENTS THEREON, (2) POLYMERIZED UNITS OF A MONOMER OF THE FORMULA:
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) | 1969-08-22 | 1970-02-21 | 1970-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-22 | 1974-02-21 | 1974-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-22 | 1978-02-21 | 1978-08-23 | $7700.00 | Window Closed / Lapsed |