Patent US2510035A successfully refreshed from Google Patents.
US2510035A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Halogen-containing polymeric substances of improved heat and light stability and stabilizers therefor
Assignee: Advance Solvents and Chemical Corp
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Filing: 1946-04-12
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Granted: 1950-05-30
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Expires: 1966-04-12
Abstract
No abstract record available.
Inventors
- 👤 Gerry P Mack
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 11:11
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/09; C08K5/098
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
60 words
A HEAT AND LIGHT STABILIZED RESIN CONTAINING POLYVINYL CHLORIDE, RESISTANT TO YELLOWING AND DARKENING WHEN HEATED DURING FORMATION AND UPON FABRICATION, INCLUDING AS A STABILIZER, A SMALL PERCENTAGE OF AN ALKALI EARTH METAL SALT OF A SUBSTITUTED CHAIN, ALIPHATIC CARBOXYLIC ACID, CONTAINING FROM 4 TO 16 CARBON ATOMS, THE ALPHA CARBON ATOM BEING FREE OF A DIRECTLY ATTACHED ARYL GROUP.
Claim 2
Dependent Claim
60 words
A HEAT AND LIGHT STABILIZED RESIN CONTAINING POLYVINYL CHLORIDE, RESISTANT TO YELLOWING AND DARKENING WHEN HEATED DURING FORMATION AND UPON FABRICATION, INCLUDING AS A STABILIZER, A SMALL PERCENTAGE OF AN ALKALI EARTH METAL SALT OF A SUBSTITUTED CHAIN, ALIPHATIC CARBOXYLIC ACID, CONTAINING FROM 4 TO 16 CARBON ATOMS, THE ALPHA CARBON ATOM BEING FREE OF A DIRECTLY ATTACHED ARYL GROUP.
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) | 1953-05-29 | 1953-11-28 | 1954-05-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-05-29 | 1957-11-28 | 1958-05-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-05-29 | 1961-11-28 | 1962-05-30 | $7700.00 | Window Closed / Lapsed |