Patent US2595797A successfully refreshed from Google Patents.
US2595797A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of producing aqueous dispersions of rubberlike plastics
Assignee: Standard Oil Development Co
•
Filing: 1949-06-11
•
Granted: 1952-05-06
•
Expires: 1969-06-11
Abstract
No abstract record available.
Inventors
- 👤 George F Leyonmark
- 👤 Arundale Erving
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:21
CPC Classifications
C; C08; C08J; C08J3/00; C08J3/02; C08J3/03; C08J3/07; B; B01; B01F; B01F23/00; B01F23/50; B01F23/51; B01F23/511; C08J2321/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
71 words
A PROCESS OF PRODUCING AQUEOUS DISPERSION OF HIGHLY POLYMERIZED ORGANIC SUBSTANCE WHICH COMPRISES DISPERSING IN WATER UNDER GREATER THAN ATMOSPHERIC PRESSURE AT A TEMPERATURE BETWEEN 70* AND 100* F. A SOLUTION OF THE POLYMER IN A WATER INSOLUBLE, VOLATILE, ORGANIC SOLVENT, BOILING BELOW 100* F. IN THE PRESENCE OF 2%-6% OF A SURFACE-ACTIVE AGENT AND RELEASING THE PRESSURE TO VAPORIZE ORGANIC SOLVENT WHILE MAINTAINING THE TEMPERATURE BETWEEN 70* AND 100* F.
Claim 2
Dependent Claim
71 words
A PROCESS OF PRODUCING AQUEOUS DISPERSION OF HIGHLY POLYMERIZED ORGANIC SUBSTANCE WHICH COMPRISES DISPERSING IN WATER UNDER GREATER THAN ATMOSPHERIC PRESSURE AT A TEMPERATURE BETWEEN 70* AND 100* F. A SOLUTION OF THE POLYMER IN A WATER INSOLUBLE, VOLATILE, ORGANIC SOLVENT, BOILING BELOW 100* F. IN THE PRESENCE OF 2%-6% OF A SURFACE-ACTIVE AGENT AND RELEASING THE PRESSURE TO VAPORIZE ORGANIC SOLVENT WHILE MAINTAINING THE TEMPERATURE BETWEEN 70* AND 100* F.
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) | 1955-05-06 | 1955-11-05 | 1956-05-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-05-06 | 1959-11-05 | 1960-05-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-05-06 | 1963-11-05 | 1964-05-06 | $7700.00 | Window Closed / Lapsed |