US2928797A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aqueous dispersion of synthetic polymers for floor polishing composition
Assignee: Eastman Kodak Co
•
Filing: 1957-09-12
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Granted: 1960-03-15
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Expires: 1977-09-12
Abstract
No abstract record available.
Inventors
- 👤 Marion O Brunson
- 👤 William M Gearhart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 23:01
CPC Classifications
C; C09; C09G; C09G1/00; C09G1/06; C09G1/08; C09G1/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
111 words
A WAX COMPOSITION COMPRISING (A) 16-19% OXIDIZED THERMALLY DEGRADED POLYEHTLENE HAVING AN ACID NUMBER OF 8-12 OBTAINED BY OXIDIZING POLYETHYLENE WHICH HAS BEEN THERMALLY DEGRADED TO A MOLECULAR WEIGHT OF 2000-4000 FROM A MOLECULAR WEIGHT OF 10,000-30,000, (B) 4-6% OF A RESINOUS MATERIAL SELECTED FROM THE CLASS CONSISTING OF BLEACHED, DEWAXED SHELLAC AND MALEIC MODIFIED ROSIN WHICH ARE SOLUBLE IN AMMONIA, (C) 14-17% POLYMETHACRYLATE OBTAINED BY EMULSION POLYMERIZATION, (D) 45-55% OF A POLYMER OF STYRENE, DIVINLY BENZENE AND ACRYLONITRILE HAVING A MOLECULAR WEIGHT OF OVER 150,000 AND A PARTICLE SIZE OF LESS THAN 0.01 MICRON OBTAINED BY EMULSION POLYMERIZATION AND (E) 8-12% OF A MIXTURE OF OLEIC ACID AND A PLASTICIZER.
Claim 2
Dependent Claim
111 words
A WAX COMPOSITION COMPRISING (A) 16-19% OXIDIZED THERMALLY DEGRADED POLYEHTLENE HAVING AN ACID NUMBER OF 8-12 OBTAINED BY OXIDIZING POLYETHYLENE WHICH HAS BEEN THERMALLY DEGRADED TO A MOLECULAR WEIGHT OF 2000-4000 FROM A MOLECULAR WEIGHT OF 10,000-30,000, (B) 4-6% OF A RESINOUS MATERIAL SELECTED FROM THE CLASS CONSISTING OF BLEACHED, DEWAXED SHELLAC AND MALEIC MODIFIED ROSIN WHICH ARE SOLUBLE IN AMMONIA, (C) 14-17% POLYMETHACRYLATE OBTAINED BY EMULSION POLYMERIZATION, (D) 45-55% OF A POLYMER OF STYRENE, DIVINLY BENZENE AND ACRYLONITRILE HAVING A MOLECULAR WEIGHT OF OVER 150,000 AND A PARTICLE SIZE OF LESS THAN 0.01 MICRON OBTAINED BY EMULSION POLYMERIZATION AND (E) 8-12% OF A MIXTURE OF OLEIC ACID AND A PLASTICIZER.
References Cited (Backward Citations)
CA476476A
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US2733224A
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US2341175A
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US2695377A
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US2766214A
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US2839482A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-03-15 | 1963-09-14 | 1964-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-15 | 1967-09-14 | 1968-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-15 | 1971-09-14 | 1972-03-15 | $7700.00 | Window Closed / Lapsed |