US3284541A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compositions comprising graft copolymers on polyolefin substrates of one or more monomers of the group of sulfonated acrylates and methacrylates
Assignee: Dow Chemical Co
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Filing: 1962-06-22
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Granted: 1966-11-08
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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
2026-10-30 14:59
CPC Classifications
C; C08; C08F; C08F255/00; C08F255/02; Y; Y10; Y10S; Y10S8/00; Y10S8/09; Y10S8/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
77 words
DYE-RECEPTIVE GRAFT COPOLYMER COMPOSITION COMPOSED OF (1) A POLYOLEFIN OF A 2 TO 8 CARBON ATOM, NONAROMATIC, MONOOLEFIN, SAID POLYOLEFIN HAVING CHEMICALLY ATTACHED THERETO TO CARBON ATOMS IN ITS CHAIN, AS GRAFT COPOLYMERIZED SUBSTITUENTS THEREON, A MINOR PROPORTION OF UP TO ABOUT 20 PERCENT BY WEIGHT, BASED ON THE WEIGHT OF THE COMPOSITION, OF UNITS CONSISTING OF (2) A POLYMERIZED SULFONATED MONOMER SELECTED FROM THE GROUP CONSISTING OF SULFONATED ACRYLATE AND METHACRYLATE MONOMERS OF THE STRUCTURAL FORMULA:
Claim 2
Dependent Claim
77 words
DYE-RECEPTIVE GRAFT COPOLYMER COMPOSITION COMPOSED OF (1) A POLYOLEFIN OF A 2 TO 8 CARBON ATOM, NONAROMATIC, MONOOLEFIN, SAID POLYOLEFIN HAVING CHEMICALLY ATTACHED THERETO TO CARBON ATOMS IN ITS CHAIN, AS GRAFT COPOLYMERIZED SUBSTITUENTS THEREON, A MINOR PROPORTION OF UP TO ABOUT 20 PERCENT BY WEIGHT, BASED ON THE WEIGHT OF THE COMPOSITION, OF UNITS CONSISTING OF (2) A POLYMERIZED SULFONATED MONOMER SELECTED FROM THE GROUP CONSISTING OF SULFONATED ACRYLATE AND METHACRYLATE MONOMERS OF THE STRUCTURAL FORMULA:
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) | 1969-11-07 | 1970-05-09 | 1970-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-07 | 1974-05-09 | 1974-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-07 | 1978-05-09 | 1978-11-08 | $7700.00 | Window Closed / Lapsed |