Polyvinyl chloride compositions
Abstract
Abstract NON-TOXIC POLYVINYL CHLORIDE COMPOSITIONS COMPRISING A MAJOR PORTION OF POLYVINYL CHLORIDE CONTAINING A STABLIZER COMPOSED OF A MIXTURE OF (1) A POLYHYDIC ALCOHOL, (2) ZINC, CALCIUM AND/OR MAGNESIUM SALTS OF A FATTY ACID, (3) AN EPOXIDATION PRODUCT OF A VEGETABLE FAT OR OIL, AND (4) AT LEAST ONE ADDITIVE SELECTED FROM THE GROUP CONSISTING OF (A) A SUCROSE ALKYL ESTER AND (B) A SEMIESTER OF AN ORGANIC POLYBASIC ACID HAVING AT LEAST ONE FREE CARBOXY GROUP PER MOLECULE. EXAMPLES OF SUITABLE SURCROSE ALKYL ESTERS ARE THE SUCROSE LAURYL, MYRISTYL AND STEARYL ESTERS. EXAMPLES OF SUITABLE SEMIESTERS OF POLYBASIC ORORGANIC ACIDS ARE THE MONOESTERS OF MALEIC, FUMARIC, ITACONIC, THIODIGLYCOLIC, THIODIPROPIONIC, DIGLYCOLLIC, CITRIC, TARTARIC, MALIC AND PHTHALIC ACIDS.
Inventors
- 👤 Akira Kaneko
- 👤 Tadashi Ogino
- 👤 Yoshiyuki Hata
Bibliographic Details
Claims Analysis
Total Claims: 0References 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) | 1975-01-17 | 1975-07-19 | 1976-01-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-01-17 | 1979-07-19 | 1980-01-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-01-17 | 1983-07-19 | 1984-01-18 | $7700.00 | Window Closed / Lapsed |