US3024223A
Expired / Lapsed
US
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Latex coagulation technique
Assignee: Phillips Petroleum Co
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Filing: 1959-10-12
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Granted: 1962-03-06
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Expires: 1979-10-12
Abstract
No abstract record available.
Inventors
- 👤 William R Klapper
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 01:33
CPC Classifications
C; C08; C08C; C08C1/00; C08C1/14; C08C1/16; Y; Y10; Y10S; Y10S260/00; Y10S260/22; Y10S528/00; Y10S528/931; Y10S528/934; Y10S528/936
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
95 words
A METHOD OF COAGULATING A LATEX WHICH COMPRISES THE STEPS OF ADDING TO THE LATEX A BRINE OF A CONCENTRATION OF ABOUT 2-5 PERCENT ADAPTED TO THE ENSUING CREAMING OF THE LATEX, CREAMING THE LATEX AND BRINE MIXTURE, SPRAYING ACID ONTO THE SURFACE OF THE CREAMED LATEX AND THEN PASSING THE FINAL MIXTURE THUS OBTAINED TO AN ACID COAGULATION ZONE MAINTAINED AT A PH OF ABOUT 2-5 TO WHICH THERE IS ADDED AN AQUEOUS SOLUTION OF GLUE IN THE RANGE OF ABOUT .1-4 PERCENT BY WEIGHT OF LATEX, AND RECOVERING COAGULATED RUBBER FROM SAID ZONE.
Claim 2
Independent Claim
95 words
A METHOD OF COAGULATING A LATEX WHICH COMPRISES THE STEPS OF ADDING TO THE LATEX A BRINE OF A CONCENTRATION OF ABOUT 2-5 PERCENT ADAPTED TO THE ENSUING CREAMING OF THE LATEX, CREAMING THE LATEX AND BRINE MIXTURE, SPRAYING ACID ONTO THE SURFACE OF THE CREAMED LATEX AND THEN PASSING THE FINAL MIXTURE THUS OBTAINED TO AN ACID COAGULATION ZONE MAINTAINED AT A PH OF ABOUT 2-5 TO WHICH THERE IS ADDED AN AQUEOUS SOLUTION OF GLUE IN THE RANGE OF ABOUT .1-4 PERCENT BY WEIGHT OF LATEX, AND RECOVERING COAGULATED RUBBER FROM SAID ZONE.
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) | 1965-03-05 | 1965-09-04 | 1966-03-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-03-05 | 1969-09-04 | 1970-03-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-03-05 | 1973-09-04 | 1974-03-06 | $7700.00 | Window Closed / Lapsed |