Patent US3297619A successfully refreshed from Google Patents.
US3297619A
Expired / Lapsed
US
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Antioxidant emulsions prepared from two-phase systems
Assignee: GE Chemicals Inc
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Filing: 1964-06-05
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Granted: 1967-01-10
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Expires: 1984-06-05
Abstract
No abstract record available.
Inventors
- 👤 John W Bluhm
- 👤 James R Tucker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 00:22
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/0008; C08K5/005
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
112 words
IN THE COMPOUNDING OF A CARBOXYLIC SBR LATEX, THE STEP OF ADDING TO SAID LATEX AN ANTIOXIDANT EMULSION COMPRISED OF: AN ORGANIC PHASE CONTAINING UP TO 50 PERCENT OF THE TOTAL WEIGHT OF THE ANTIOXIDANT EMULSION, WHICH PHASE CONTAINS 10 TO 40 PARTS BY WEIGHT OF AN ANTIOXIDANT DISSOLVED IN FROM 2 TO 35 PARTS BY WEIGHT OF AN ORGANIC SOLVENT, A WATER PHASE WHICH CONTAINS 2 TO 10 PARTS BY WEIGHT OF A 5 PERCENT SOLUTION OF POLYACRYLATE SELECTED FROM THE GROUP CONSISTING OF SODIUM, AMMONIUM, AND POTASSIUM POLYACRYLATE, AND 86 TO 15 PARTS BY WEIGHT OF WATER, SAID PARTS BY WEIGHT REFERRING TO THE TOTAL WEIGHT OF THE ANTIOXIDANT EMULSION.
Claim 2
Dependent Claim
112 words
IN THE COMPOUNDING OF A CARBOXYLIC SBR LATEX, THE STEP OF ADDING TO SAID LATEX AN ANTIOXIDANT EMULSION COMPRISED OF: AN ORGANIC PHASE CONTAINING UP TO 50 PERCENT OF THE TOTAL WEIGHT OF THE ANTIOXIDANT EMULSION, WHICH PHASE CONTAINS 10 TO 40 PARTS BY WEIGHT OF AN ANTIOXIDANT DISSOLVED IN FROM 2 TO 35 PARTS BY WEIGHT OF AN ORGANIC SOLVENT, A WATER PHASE WHICH CONTAINS 2 TO 10 PARTS BY WEIGHT OF A 5 PERCENT SOLUTION OF POLYACRYLATE SELECTED FROM THE GROUP CONSISTING OF SODIUM, AMMONIUM, AND POTASSIUM POLYACRYLATE, AND 86 TO 15 PARTS BY WEIGHT OF WATER, SAID PARTS BY WEIGHT REFERRING TO THE TOTAL WEIGHT OF THE ANTIOXIDANT EMULSION.
References Cited (Backward Citations)
US3115465A
Cited
GB940364A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-09 | 1970-07-11 | 1971-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-09 | 1974-07-11 | 1975-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-09 | 1978-07-11 | 1979-01-10 | $7700.00 | Window Closed / Lapsed |