US2554142A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilizer for halogen-containing polymers
Assignee: Sherwin Williams Co
•
Filing: 1950-02-25
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Granted: 1951-05-22
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Expires: 1970-02-25
Abstract
No abstract record available.
Inventors
- 👤 Oliver J Grummitt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:43
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/09; C08K5/098
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
38 words
A COMPOSITION COMPRISING A HALOGEN-CONTAINING POLYMERIC RESIN CONTAINING AS A STABILIZER THEREFOR FROM ABOUT .1 TO ABOUT 10 PARTS PER 100 PARTS OF POLYMER OF A BASIC-RACTING METAL SALT OF AN ALPHA-BETA, GAMMA-DELTA UNSATURATED OLEFINIC MONOBASIC ORGANIC ACID.
Claim 2
Dependent Claim
38 words
A COMPOSITION COMPRISING A HALOGEN-CONTAINING POLYMERIC RESIN CONTAINING AS A STABILIZER THEREFOR FROM ABOUT .1 TO ABOUT 10 PARTS PER 100 PARTS OF POLYMER OF A BASIC-RACTING METAL SALT OF AN ALPHA-BETA, GAMMA-DELTA UNSATURATED OLEFINIC MONOBASIC ORGANIC ACID.
References Cited (Backward Citations)
US2364410A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-05-21 | 1954-11-20 | 1955-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-05-21 | 1958-11-20 | 1959-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-05-21 | 1962-11-20 | 1963-05-22 | $7700.00 | Window Closed / Lapsed |