US3598778A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ammonium hydroxide polymer solutions for floor polish compositions
Assignee: Gulf Research and Development Co
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Filing: 1969-03-19
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Granted: 1971-08-10
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Expires: 1989-03-19
Abstract
Abstract AQUEOUS SOLUTIONS OF AMMONIUM SALTS OF A SMALL GROUP OF HALF ESTERS FORMED FROM MALEIC ANHYDRIDE-OLEFIN COPOLYMERS ARE USEFUL IN IMPROVED FLOOR POLISH FORMULATIONS. THE CLASS OF COPOLYMERS INCLUDE PARTIALLY ESTERIFIED COPOLYMERS OF MALEIC ANHYDRIDE WITH 1-HEXENE, 1-BUTENE DIMERS, 1-OCTENE AND 1-DECENE IN OLEFIN/MALEIC ANHYDRIDE MOLAR RATIOS OF 1 TO 1.5, HAVING ACID NUMBERS OF AT LEAST 150, NO ANHYDRIDE GROUPS OR ADJACENT CARBOXY GROUPS AND INHERENT VISCOSITIES IN ACETONE AT 25*C. OF FROM ABOUT 0,04 TO 1.1 DECILITERS PER GRAM AT 5 G./DL. CONCENTRATION.
Inventors
- 👤 Donald L Burdick
- 👤 William J Heilman
- 👤 Gerald J Mantell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 05:50
CPC Classifications
C; C09; C09G; C09G1/00; C09G1/06; C09G1/14; C09G1/16; C08; C08F; C08F22/00; C08F22/04; C08F8/00
Claims Analysis
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-08-09 | 1975-02-08 | 1975-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-08-09 | 1979-02-08 | 1979-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-08-09 | 1983-02-08 | 1983-08-10 | $7700.00 | Window Closed / Lapsed |