US2853127A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Concentration of foamy latices
Assignee: Union Carbide Corp
•
Filing: 1955-03-29
•
Granted: 1958-09-23
•
Expires: 1975-03-29
Abstract
No abstract record available.
Inventors
- 👤 Sessen Lyman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 08:40
CPC Classifications
C; C08; C08C; C08C1/00; C08C1/02; C08C1/075; C08C1/12; Y; Y10; Y10S; Y10S159/00; Y10S159/04; Y10S159/10; Y10S159/15; Y10S528/00; Y10S528/931; Y10S528/934; Y10S528/937
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
71 words
A PROCESS FOR THE CONCENTRATION OF FOAMY LATICES WHICH COMPRISES HEATING A STREAM OF AN EMULSION OF CONSTANT CROSS SECTION WHEREIN IT IS HEATED TO A TEMPERATURE NEAR BUT BELOW ITS BOILING POINT, DISCONTINUING THE APPLICATION OF HEAT TO THE SUCCEEDING PORTION OF THE STREAM AND OF THE SAME CROSS SECTION WHEREIN THE PRESSURE DROP LEAVES SUFFICIENT PRESSURE TO PREVENT ANY CAVITATION OR VAPORIZATION OCCURING THEREIN, GRADUALLY INCREASING THE CROSS SECTION
Claim 2
Dependent Claim
71 words
A PROCESS FOR THE CONCENTRATION OF FOAMY LATICES WHICH COMPRISES HEATING A STREAM OF AN EMULSION OF CONSTANT CROSS SECTION WHEREIN IT IS HEATED TO A TEMPERATURE NEAR BUT BELOW ITS BOILING POINT, DISCONTINUING THE APPLICATION OF HEAT TO THE SUCCEEDING PORTION OF THE STREAM AND OF THE SAME CROSS SECTION WHEREIN THE PRESSURE DROP LEAVES SUFFICIENT PRESSURE TO PREVENT ANY CAVITATION OR VAPORIZATION OCCURING THEREIN, GRADUALLY INCREASING THE CROSS SECTION
References Cited (Backward Citations)
US521974A
Cited
US2029831A
Cited
US2467769A
Cited
US2710057A
Cited
US2696248A
Cited
US2658054A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-09-22 | 1962-03-24 | 1962-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-22 | 1966-03-24 | 1966-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-22 | 1970-03-24 | 1970-09-23 | $7700.00 | Window Closed / Lapsed |