| SI GROUP, INC. Patent applications |
| Patent application number | Title | Published |
| 20110313109 | MODIFIED HYDROCARBYLPHENOL-ALDEHYDE RESINS FOR USE AS TACKIFIERS AND RUBBER COMPOSITIONS CONTAINING THEM - The invention relates to a modified hydrocarbylphenol-aldehyde resin prepared by reacting a hydrocarbylphenol-aldehyde resin with a primary or secondary amine and further with an epoxide. The invention also provides a process for preparing a modified, hydrocarbylphenol-aldehyde resin and a rubber composition containing such resin. | 12-22-2011 |
| 20090062472 | NOVOLAK RESINS AND RUBBER COMPOSITIONS COMPRISING THE SAME - The present invention relates to novolak resins prepared with, inter alia, one or more alkylphenols. The invention further relates to compositions comprising the novolak resins, such as vulcanizable rubber compositions, and to products obtained therewith. | 03-05-2009 |
| 20080275186 | MODIFIED HYDROCARBYLPHENOL-ALDEHYDE RESINS FOR USE AS TACKIFIERS AND RUBBER COMPOSITIONS CONTAINING THEM - The invention relates to a modified hydrocarbylphenol-aldehyde resin prepared by reacting a hydrocarbylphenol-aldehyde resin with a primary or secondary amine and further with an epoxide. The invention also provides a process for preparing a modified, hydrocarbylphenol-aldehyde resin and a rubber composition containing such resin. | 11-06-2008 |