Patent US2806828A successfully refreshed from Google Patents.
US2806828A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plasticized vinyl resin composition
Assignee: Union Carbide Corp
•
Filing: 1954-08-04
•
Granted: 1957-09-17
•
Expires: 1974-08-04
Abstract
No abstract record available.
Inventors
- 👤 Donald E Hardman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:49
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/49; C08K5/51; C08K5/52; C08K5/527; C07; C07F; C07F9/00; C07F9/02; C07F9/547; C07F9/6564; C07F9/6571; C07F9/6574; C07F9/65742; C08K5/521
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
57 words
A PLASTICIZED VINYL RESIN COMPOSITION, WHICH COMPRISES A VINYL RESIN SELECTED FROM THE CLASS CONSISTING OF THE POLYVINYL CHLORIDES, COPOLYMERS OF VINYL CHLORIDE WITH A VINYL ESTER OF A LOWER ALKANOIC ACID, COPOLYMERS OF VINYL CHLORIDE WITH AN ACRYLIC OMPOUND, AND POLYVINYL BUTYRALS, AND, AS A POLYMERIZABLE PLASTICIZER THEREFOR, AND OLEFINICALLY UNSATURATED PHOSPHORUS-CONTAINING COMPOUND HAVING THE STRUCTURE
Claim 2
Dependent Claim
57 words
A PLASTICIZED VINYL RESIN COMPOSITION, WHICH COMPRISES A VINYL RESIN SELECTED FROM THE CLASS CONSISTING OF THE POLYVINYL CHLORIDES, COPOLYMERS OF VINYL CHLORIDE WITH A VINYL ESTER OF A LOWER ALKANOIC ACID, COPOLYMERS OF VINYL CHLORIDE WITH AN ACRYLIC OMPOUND, AND POLYVINYL BUTYRALS, AND, AS A POLYMERIZABLE PLASTICIZER THEREFOR, AND OLEFINICALLY UNSATURATED PHOSPHORUS-CONTAINING COMPOUND HAVING THE STRUCTURE
References Cited (Backward Citations)
US2425766A
Cited
US2559854A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-09-16 | 1961-03-18 | 1961-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-09-16 | 1965-03-18 | 1965-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-09-16 | 1969-03-18 | 1969-09-17 | $7700.00 | Window Closed / Lapsed |