Patent application number | Description | Published |
20090124745 | Particles of Precipitated Calcium Carbonate, Process For Making The Particles And Use Of The Particles As Filler - Particles of precipitated calcium carbonate with a rhombohedral crystal morphology exhibiting a low sodium content and a particle size distribution with a low cutoff value. Process for making such particles. Use of the particles as filler in polymer films. | 05-14-2009 |
20130118981 | POROUS HOLLOW FIBER - Porous hollow fibers comprising first pores having an average length in the range from 0.045 μm to 120 μm and an average width in the range from 0.030 μm to 20 μm, measured in a fiber direction, wherein the ratio of the average length of the first pores to the average width of the first pores is at least 1.5:1, second pores having an average length in the range from 0.1 nm to 99 nm and an average width in the range from 1 nm to 20000 nm, measured in the direction of the fiber in each case, wherein the ratio of the average length of the second pores to the average width of the second pores is not more than 1:1.5. Preferred application areas include use in fillings, in selectively permeable membranes, for the immobilization of enzymes and/or cells, for hemodialysis, and for storage of hydrogen. | 05-16-2013 |
20130122304 | DRY LIQUID - A dry liquid, comprising at least one additive having a molar mass greater than 20 g/mol, a melting temperature less than 500° C., and a boiling point, measured at 101325 Pa, greater than 100° C. and at least one calcium carbonate as a carrier material, wherein the calcium carbonate is precipitated calcium carbonate. The dry liquid is suitable in particular for introducing at least one preferably fluid additive into a chemical composition. | 05-16-2013 |
20130190441 | SPHERICAL, AMORPHOUS CALCIUM CARBONATE PARTICLES - Stabilized, spherical, amorphous calcium carbonate particles having a mean particle diameter in the range from 0.05 μm to 2.0 μm and a water content of at most 5.0 wt % measured as residual moisture at 200° C., wherein the calcium carbonate particles comprise at least one substance which has a molar mass greater than 100 g/mol and satisfies the formula R—X | 07-25-2013 |
20140004348 | Microstructured Composite Particles | 01-02-2014 |
20140142211 | Elastomeric Article - An elastomeric article comprising at least one elastomer and precipitated calcium carbonate particles, wherein the sphere equivalent particle size of said precipitated calcium carbonate particles is less than 1.0 μm. The elastomeric article is preferably produced using a latex dipping process, and is particularly suitable for use as a glove, a condom, or a balloon. | 05-22-2014 |