US2697700A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Low temperature emulsion polymerization in polyamine systems containing heavy metal complex activators
Assignee: Phillips Petroleum Co
•
Filing: 1951-08-06
•
Granted: 1954-12-21
•
Expires: 1971-08-06
Abstract
No abstract record available.
Inventors
- 👤 Carl A Uraneck
- 👤 Richard J Sonnenfeld
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:03
CPC Classifications
C; C08; C08F; C08F36/00; C08F36/02; C08F36/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
123 words
A PROCESS FOR PRODUCING SYNTHETIC RUBBER LATICES WHICH COMPRISES POLYMERIZING A MAJOR AMOUNT OF 1,3BUTADIENE AND A MINOR AMOUNT OF STYRENE IN AQUEOUS EMULSION, SAID POLYMERIZATION BEING EFFECTED IN A POLYAMINE ORGANIC PEROXIDE ANTI-FREEZE SYSTEM, AT A TEMPERATURE FROM -15* C. TO -40* C., AND IN THE PRESENCE OF (1) FROM 0.0036 TO 0.72 MILLIMOLS PER 100 PARTS MONOMERS OF A WATER-SOLUBLE METAL SALT, SAID METAL SELECTED FROM THE GROUP CONSISTING OF IRON, COBALT, VANADIUM, MANGANESE AND COPPER, AND (2) A SMALL QUANTITY OF A COMPLEXING AGENT SELECTED FROM THE GROUP CONSISTING OF 2,2''-DIPYRIDYL, ETHYLENEDIAMINE TETRA ACETIC ACID AND ALKALI METAL AND AMMONIUM SALTS OF ETHYLENEDIAMINETETRA ACETIC ACID, THE RATION IN MOLS OF SAID SALT TO SAID COMPLEXING AGENT BEING 1:1 TO 1:5.
Claim 2
Dependent Claim
123 words
A PROCESS FOR PRODUCING SYNTHETIC RUBBER LATICES WHICH COMPRISES POLYMERIZING A MAJOR AMOUNT OF 1,3BUTADIENE AND A MINOR AMOUNT OF STYRENE IN AQUEOUS EMULSION, SAID POLYMERIZATION BEING EFFECTED IN A POLYAMINE ORGANIC PEROXIDE ANTI-FREEZE SYSTEM, AT A TEMPERATURE FROM -15* C. TO -40* C., AND IN THE PRESENCE OF (1) FROM 0.0036 TO 0.72 MILLIMOLS PER 100 PARTS MONOMERS OF A WATER-SOLUBLE METAL SALT, SAID METAL SELECTED FROM THE GROUP CONSISTING OF IRON, COBALT, VANADIUM, MANGANESE AND COPPER, AND (2) A SMALL QUANTITY OF A COMPLEXING AGENT SELECTED FROM THE GROUP CONSISTING OF 2,2''-DIPYRIDYL, ETHYLENEDIAMINE TETRA ACETIC ACID AND ALKALI METAL AND AMMONIUM SALTS OF ETHYLENEDIAMINETETRA ACETIC ACID, THE RATION IN MOLS OF SAID SALT TO SAID COMPLEXING AGENT BEING 1:1 TO 1:5.
References Cited (Backward Citations)
US2560741A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-12-20 | 1958-06-21 | 1958-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-12-20 | 1962-06-21 | 1962-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-12-20 | 1966-06-21 | 1966-12-21 | $7700.00 | Window Closed / Lapsed |