Method of manufacturing coated paper
Abstract
Abstract A method of manufacturing coated VIII of which comprises treating paper which is coated with a coating color composition composed essentially of a pigment, a PVA or a derivative thereof, and a latex, with a treating solution composed essentially of three components including from about 1 to 9 parts of a salt of a metal of Group II, III, IV or VIIIof the Periodic Table which combines with the PVA or derivative thereof, to form a chelate compound, from about 1 to 9 parts of boric acid (a nonmetallic compound) which combines with the PVA or derivative thereof to have a joint tackifying or gelling action, and from about 0.001 to 1 part of a surface active agent. The coated paper obtained by the method of the invention has superior water resistance and offset printability qualities and in addition possesses extremely improved luster on the finished surface.
Inventors
- 👤 Saburo Imoto
- 👤 Kyoichiro Ikari
- 👤 Hirosaburo Mori
- 👤 Tatsuaki Hattori
Bibliographic Details
Claims Analysis
Total Claims: 4References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-03-21 | 1975-09-20 | 1976-03-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-03-21 | 1979-09-20 | 1980-03-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-03-21 | 1983-09-20 | 1984-03-21 | $7700.00 | Window Closed / Lapsed |