Patent US2940957A successfully refreshed from Google Patents.
US2940957A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polymeric metal-organic compositions
Assignee: NL Industries Inc
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Filing: 1956-05-24
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Granted: 1960-06-14
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Expires: 1976-05-24
Abstract
No abstract record available.
Inventors
- 👤 Daniel F Herman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:40
CPC Classifications
C; C08; C08F; C08F230/00; C08F230/04; C07; C07F; C07F7/00; C07F7/003; C08F22/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
105 words
A REINSOUS COPOLYMER OF A MONOMER SELECTED FROM THE GROUP CONSISTING OF BUTADIENE, METHYL ACRYLATE, METHYL METHACRYLATE AND SYTRENE AND A TITANIUM ORGANIC COMPOUND, SAID COMPOUND CONSISTING ESSENTIALLY OF AN ALKOXYTITANIUM ACYLATE, THE ALKOXY IN SAID COMPOUND CONTAINS FROM 2 TO 20 CARBON ATOMS, THE ACYLATE GROUP IS SELECTED FROM THE GROUP CONSISTING OF ACRYLATE, ALKYL SUBSTITUTED ACRYLATE AND MALEATE, SAID ALKOXYTITANIUM ACYLATE CONTAINING FROM 2 TO 3 ALKOXY GROUPS PER TITANIUM ATOM AND CONTAINING FROM 1 TO 2 CARBONYLOXY GROUPS PER TITANIUM ATOM AND ATTACHED TO SAID TITANIUM ATOM, THE SUM OF THE ALKOXY AND SAID CARBONYLOXY GROUPS BEING SUBSTANTIALLY 4 PER TITANIUM ATOM.
Claim 2
Dependent Claim
105 words
A REINSOUS COPOLYMER OF A MONOMER SELECTED FROM THE GROUP CONSISTING OF BUTADIENE, METHYL ACRYLATE, METHYL METHACRYLATE AND SYTRENE AND A TITANIUM ORGANIC COMPOUND, SAID COMPOUND CONSISTING ESSENTIALLY OF AN ALKOXYTITANIUM ACYLATE, THE ALKOXY IN SAID COMPOUND CONTAINS FROM 2 TO 20 CARBON ATOMS, THE ACYLATE GROUP IS SELECTED FROM THE GROUP CONSISTING OF ACRYLATE, ALKYL SUBSTITUTED ACRYLATE AND MALEATE, SAID ALKOXYTITANIUM ACYLATE CONTAINING FROM 2 TO 3 ALKOXY GROUPS PER TITANIUM ATOM AND CONTAINING FROM 1 TO 2 CARBONYLOXY GROUPS PER TITANIUM ATOM AND ATTACHED TO SAID TITANIUM ATOM, THE SUM OF THE ALKOXY AND SAID CARBONYLOXY GROUPS BEING SUBSTANTIALLY 4 PER TITANIUM ATOM.
References Cited (Backward Citations)
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Cited
US2253128A
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US2258718A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-06-14 | 1963-12-14 | 1964-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-14 | 1967-12-14 | 1968-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-14 | 1971-12-14 | 1972-06-14 | $7700.00 | Window Closed / Lapsed |