Patent US2558701A successfully refreshed from Google Patents.
US2558701A
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Light-stabilized compositions of vinylidene chloride or vinyl chloride
Assignee: Dow Chemical Co
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Filing: 1950-03-29
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Granted: 1951-06-26
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Expires: 1970-03-29
Abstract
No abstract record available.
Inventors
- 👤 Gerald M Corbett
- 👤 Nelson W Abernethy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 10:04
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/10; C08K5/12; C08K5/15; C08K5/151; C08K5/1535
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
79 words
A COMPOSITION OF MATTER COMPRISING A POLYMERIC PRODUCT CONTAINING AT LEAST 10 PER CENT OF A MATERIAL SELECTED FROM THE GROUP CONSISTING OF VINYLIDENE CHLORIDE AND VINYL CHLORIDE IN THE POLYMER MOLECULE, AND, AS A STABILIZING AGENT THEREFOR, FROM 0.5 PER CENT, BASED ON THE WEIGHT OF SAID POLYMER, UP TO AND INCULDING PLASTICIZING QUANTITIES, OF A DIALKYL ESTER OF 7-OXABICYCLO (2,2,1) - 5 HEPTENE 2,3- DICARBOXYLIC ANHYDRIDE, WHEREIN THE ALKYL GROUP CONTAINS FROM 1 TO 12 CARBON ATOMS.
Claim 2
Dependent Claim
79 words
A COMPOSITION OF MATTER COMPRISING A POLYMERIC PRODUCT CONTAINING AT LEAST 10 PER CENT OF A MATERIAL SELECTED FROM THE GROUP CONSISTING OF VINYLIDENE CHLORIDE AND VINYL CHLORIDE IN THE POLYMER MOLECULE, AND, AS A STABILIZING AGENT THEREFOR, FROM 0.5 PER CENT, BASED ON THE WEIGHT OF SAID POLYMER, UP TO AND INCULDING PLASTICIZING QUANTITIES, OF A DIALKYL ESTER OF 7-OXABICYCLO (2,2,1) - 5 HEPTENE 2,3- DICARBOXYLIC ANHYDRIDE, WHEREIN THE ALKYL GROUP CONTAINS FROM 1 TO 12 CARBON ATOMS.
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) | 1954-06-25 | 1954-12-25 | 1955-06-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-06-25 | 1958-12-25 | 1959-06-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-06-25 | 1962-12-25 | 1963-06-26 | $7700.00 | Window Closed / Lapsed |