US3015642A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Increasing the particle size of synthetic rubber latex
Assignee: Uniroyal Inc
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Filing: 1958-11-28
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Granted: 1962-01-02
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Expires: 1978-11-28
Abstract
No abstract record available.
Inventors
- 👤 Carl V Bawn
- 👤 Byron A Hunter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:35
CPC Classifications
C; C08; C08C; C08C1/00; C08C1/02; C08C1/065; C08C1/07
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
177 words
THE METHOD OF INCREASING THE SIZE OF THE DISPERSED POLYMER PARTICLES IN A SYNTHETIC RUBBR LATEX AQUEOUS EMULSION POLYMERIZATE OF MATERIAL SELECTED FROM THE GROUP CONSISTING OF BUTADIENES-1,3 AND MIXTURES OF BUTADIENES1,3 WITH UP TO 70% BY WEIGHT OF SUCH MIXTURES OF MONOETHYLENIC COMPOUNDS WHICH CONTAIN A CH2=C< GROUP AND ARE COPOLYMERIZABLE WITH BUTADIENES-1,3 CONTAINING 2 TO 10 PARTS OF A WATER-SOLUBLE SOAP OF SOAP-FORMING MONOCARBOXYLIC ACID PER 100 PARTS OF LATEX SOLIDS AND HAVING A PH FROM 8 TO 11 WHICH COMPRISES REDUCING THE PH OF THE LATEX TO WITHIN THE RANGE OF 5.5 TO 7.5 IN THE PRESENCE OF 0.05% TO 1% BASED ON THE WEIGHT OF THE LATEX SOLIDS OF POLYETHYLENE POLYAMINE SELECTED FROM THE GROUP CONSISTING OF DIETHYLENE TRIAMINE, TRIETHYLENE TETRAMINE, TETRAETHYLENE PENTAMINE, PENTAETHYLENE HEXAMINE, HEXAETHYLENE HEPAMINE, HEPTAETHYLENE OCTAMINE AND HIGHER POLYETHYLENE POLYAMINES FROM THE STILL BOTTOM FROM THE DISTILLATION RECOVERY OF THE LOWER POLYETHYLENE POLYAMINES FROM THE PRODUCT OF THE REACTION OF ETHYLENE DICHLORIDE AND AMMONIA, AND THEREAFTER INCREASING THE PH OF THE LATEX TO WITHIN THE RANGE OF 8 TO 11.
Claim 2
Independent Claim
177 words
THE METHOD OF INCREASING THE SIZE OF THE DISPERSED POLYMER PARTICLES IN A SYNTHETIC RUBBR LATEX AQUEOUS EMULSION POLYMERIZATE OF MATERIAL SELECTED FROM THE GROUP CONSISTING OF BUTADIENES-1,3 AND MIXTURES OF BUTADIENES1,3 WITH UP TO 70% BY WEIGHT OF SUCH MIXTURES OF MONOETHYLENIC COMPOUNDS WHICH CONTAIN A CH2=C< GROUP AND ARE COPOLYMERIZABLE WITH BUTADIENES-1,3 CONTAINING 2 TO 10 PARTS OF A WATER-SOLUBLE SOAP OF SOAP-FORMING MONOCARBOXYLIC ACID PER 100 PARTS OF LATEX SOLIDS AND HAVING A PH FROM 8 TO 11 WHICH COMPRISES REDUCING THE PH OF THE LATEX TO WITHIN THE RANGE OF 5.5 TO 7.5 IN THE PRESENCE OF 0.05% TO 1% BASED ON THE WEIGHT OF THE LATEX SOLIDS OF POLYETHYLENE POLYAMINE SELECTED FROM THE GROUP CONSISTING OF DIETHYLENE TRIAMINE, TRIETHYLENE TETRAMINE, TETRAETHYLENE PENTAMINE, PENTAETHYLENE HEXAMINE, HEXAETHYLENE HEPAMINE, HEPTAETHYLENE OCTAMINE AND HIGHER POLYETHYLENE POLYAMINES FROM THE STILL BOTTOM FROM THE DISTILLATION RECOVERY OF THE LOWER POLYETHYLENE POLYAMINES FROM THE PRODUCT OF THE REACTION OF ETHYLENE DICHLORIDE AND AMMONIA, AND THEREAFTER INCREASING THE PH OF THE LATEX TO WITHIN THE RANGE OF 8 TO 11.
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) | 1965-01-01 | 1965-07-03 | 1966-01-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-01 | 1969-07-03 | 1970-01-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-01 | 1973-07-03 | 1974-01-02 | $7700.00 | Window Closed / Lapsed |