Tall oil pitch-modified phenolic resin and methods related thereto
US6469125B1 · kind B1 · utility
22Cited by
29References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 27, 2001 |
| Grant date | Oct 22, 2002 |
| Priority date | — |
| Expiry date | Aug 27, 2021 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G8/34
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Tall oil pitch may be reacted with a phenol-containing organic compound and formaldehyde or reactive equivalent thereof to prepare a resin. The reactants may further include polyhydric organic compound, &agr;,&bgr;-unsaturated carboxyl compound or ester thereof, and hydroxyl-containing non-phenolic organic compound. The resin may be formulated with a colorant to provide an ink for lithographic, gravure or letterpress printing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.