Polymer composition
Abstract
Abstract A LATEX POLYMER OF (A) AT LEAST ONE VINYL ESTER OF A SATURATED ALIPHATIC MONOCARBOXYLIX ACID, (B) AT LEAST ONE POLYMERIZABLE MONOVINYL AROMATIC MONOMER AND (C) AT LEAST ONE ALPH, BETA-ETHYLENICALLY UNSATURAED ACID IN PROPORTIONS SUCH THAT MONOMES (A), (B) AND (C) COMPRISE AT LEAST 60 PERCENT BY WEIGHT OF THE POLYMER, 90 TO 99.5% BY WEIGHT OF MONOMERS (A), (B) AND (C) ARE MONOMERS (A) AND (B) IN A WEIGHT RATIO OF (A) TO (B) IN THE RANGE OF 4:6 TO 9:1 AND CORRESPONDINGLY 0.5 TO 10% BY WEIGHT IS MONOMER (C), PREFERABLY FORMED BY POLYMERZING ALL OF MONOMER (A) IN A FIRST STEP AND ALL OF MONOMER (B) IN A SECOND STEP, COMPOSITIONS CONTAINING SAID POLYMER AND POLYVALENT METAL SALT, ALKALI-INSOLUBLE, ALKALI-DISPERSIBLE POLYMER, SUITABLE FOR CLEAR WOOD COATINGS AND/OR FLOOR POLISHES.
Inventors
- 👤 Charles I Sullivan
- 👤 Richard H Cahill
Bibliographic Details
Claims Analysis
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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) | 1975-10-10 | 1976-04-10 | 1976-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-10-10 | 1980-04-10 | 1980-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-10-10 | 1984-04-10 | 1984-10-10 | $7700.00 | Window Closed / Lapsed |