US3147232A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilizers for vinyl chloride polymer compositions comprising alkaline earth metal compounds
Assignee: Lubrizol Corp
•
Filing: 1961-03-20
•
Granted: 1964-09-01
•
Expires: 1981-03-20
Abstract
No abstract record available.
Inventors
- 👤 George R Norman
- 👤 Suer William M Le
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:30
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/05; C08K3/00; C08K3/18; C08K3/20; C08K3/22; C08K5/09; C08K5/098
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
92 words
A VINYL CHLORIDE POLYMER COMPOSITION CONTAINING A STABLIZING PROPORTION OF A PRODUCT PREPARED BY THE PROCESS WHICH COMPRISES PREPARING A MIXTURE OF (A) AT LEAST ABOUT 0.1 EQUIVALENT OF AN ALCOHOL SELECTED FROM THE CLASS CONSISTING OF ALIPHATIC ALCOHOLS AND LOWER MOLECULAR WEIGHT AROMATIC SUBSTITUTED ALIPHATIC ALCOHOLS, (B) AN EQUIVALENT OF AN ALIPHATIC MONOCARBOXYLIC ACID HAVING FROM 12 TO 20 CARBON ATOMS, (C) MORE THAN ONE EQUIVALENT OF A BASIC ALKALINE EARTH METAL COMPOUND PER EQUIVALENT OF SAID ACID COMPOUND, AND TREATING SAID MIXTURE WITH CARBON DIOXIDE TO REDUCE THE BASICITY THEREOF.
Claim 2
Dependent Claim
92 words
A VINYL CHLORIDE POLYMER COMPOSITION CONTAINING A STABLIZING PROPORTION OF A PRODUCT PREPARED BY THE PROCESS WHICH COMPRISES PREPARING A MIXTURE OF (A) AT LEAST ABOUT 0.1 EQUIVALENT OF AN ALCOHOL SELECTED FROM THE CLASS CONSISTING OF ALIPHATIC ALCOHOLS AND LOWER MOLECULAR WEIGHT AROMATIC SUBSTITUTED ALIPHATIC ALCOHOLS, (B) AN EQUIVALENT OF AN ALIPHATIC MONOCARBOXYLIC ACID HAVING FROM 12 TO 20 CARBON ATOMS, (C) MORE THAN ONE EQUIVALENT OF A BASIC ALKALINE EARTH METAL COMPOUND PER EQUIVALENT OF SAID ACID COMPOUND, AND TREATING SAID MIXTURE WITH CARBON DIOXIDE TO REDUCE THE BASICITY THEREOF.
References Cited (Backward Citations)
US2968642A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-09-01 | 1968-03-02 | 1968-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-01 | 1972-03-02 | 1972-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-01 | 1976-03-02 | 1976-09-01 | $7700.00 | Window Closed / Lapsed |