| Patent application number | Description | Published |
|---|
| 20090078383 | Fibrillated Polypridobismidazole Floc - The invention concerns a process for making a fibrillated polypyridobisimidazole floc comprising the steps of: cutting polypyridobisimidazole filaments to an average cut length of from about 0.5 to 10 mm; and applying energy to the polypyridobisimidazole filaments to produce a fibrillated floc having essentially the same average cut length after the application of energy as before the application of energy; where the fibrillated floc having a Canadian Standard Freeness (CSF), when dispersed in water by itself, of from about 400 to 750 ml. | 03-26-2009 |
| 20090151884 | Friction Papers Comprising Pipd Fiber - The invention concerns a paper comprising (a) 40 to 70 parts by weight of polypyridobisimidazole fiber, polypyridobisimidazole pulp, or mixtures thereof and (b) 30 to 60 parts by weight of friction modifiers, structural resins, wet-strength resins, processing aids, fillers, and mixtures thereof; the parts by weight being based on the total amount of a) and b) in the paper. | 06-18-2009 |
| 20090236064 | Paper Comprising Pipd Pupl and Process for Making Same - The invention concerns a paper comprising polypyridobisimidazole fibers, where the apparent density of the paper is from 0.1 to 0.5 g/cm | 09-24-2009 |
| 20090320952 | Flexible hose for conveying fluids or gases - A flexible hose for conveying fluids or gases comprises two elastomeric layers surrounding either side of a reinforcement layer. | 12-31-2009 |
| 20100193143 | PULP COMPRISING POLYPYRIDOBISIMIDAZOLE AND OTHER POLYMERS AND METHODS OF MAKING SAME - The present invention relates to fibrous pulp comprising a combination of polypyridobisimidazole fibrous structures and fibrous structures derived from another polymer. The invention further relates to processes for making such pulp and articles comprising the pulp | 08-05-2010 |
| 20100193144 | POLYARENEAZOLE/THERMOPLASTIC PULP AND METHODS OF MAKING SAME - The present invention relates to thermoplastic and polyareneazole pulp for use as reinforcement material in products including for example fluid sealing materials, as a processing aid including its use as a thixotrope, and as a filter material. The pulp comprises (a) irregularly shaped, thermoplastic fiber fibrous structures, (b) irregularly shaped, polyareneazole fibrous structures and (c) water, whereby thermoplastic fiber fibrils and/or stalks are substantially entangled with polyareneazole fibrils and/or stalks. The invention further relates to processes for making such thermoplastic and polyareneazole pulp. | 08-05-2010 |
| 20100193145 | POLYARENEAZOLE/THERMOSET PULP AND METHODS OF MAKING SAME - The present invention relates to thermoset and polyareneazole pulp for use as reinforcement material in products including for example fluid seals and friction materials, as a processing aid including its use as a thioxotrope, and as a filter material. The pulp comprises (a) irregularly shaped, thermoset fiber fibrous structures, (b) irregularly shaped, polyareneazole fibrous structures and (c) water whereby thermoset fiber fibrils and/or stalks are substantially entangled with polyareneazole fibrils and/or stalks. The invention further relates to processes for making such thermoset and polyareneazole pulp. | 08-05-2010 |
| 20100200183 | POLYARENEAZOLE/WOOD PULP AND METHODS OF MAKING SAME - The present invention relates to wood pulp and polyareneazole pulp for use as reinforcement material in products including for example friction materials, fluid sealing materials, and papers. The pulp comprises (a) irregularly shaped, wood pulp fibrous structures, (b) irregularly shaped, polyareneazole fibrous structures, and (c) water, whereby wood pulp fibrils and/or stalks are substantially entangled with polyareneazole fibrils and/or stalks. The invention further relates to processes for making such wood pulp and polyareneazole pulp. | 08-12-2010 |
| 20100212851 | PARA-ARAMID PULP INCLUDING META-ARAMID FIBRIDS AND PROCESSES OF MAKING SAME - The present invention relates to para-aramid pulp including meta-aramid fibrids for use as reinforcement material in products including for example friction materials, fluid sealing materials, and papers. The invention further relates to processes for making such pulp. | 08-26-2010 |
