Patents

 

Innophos Patents
 
Innovation has been a key focus area since the 2004 creation of Innophos. One measure of our success since our formation is this listing of granted US patents:
 
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Part of Innophos’ Innovalt® technology portfolio, which improves road asphalt resistance to rutting and cracking from temperature extremes. These two patents cover methods of adding polyphosphoric acid in a solid form, leading in some cases to handling improvements over liquids.
 
 
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Introduced commercially as Innovalt R, these innovations allow used tires to be used in roadways without affecting asphalt performance. Recycling rubber into roads extends road life while helping to reduce the amount of waste going to landfills.
 
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Tricalcium phosphate (TCP) is an ideal source of dietary calcium, since both calcium and phosphorus are bone constituents. Producing TCP in a form that can be easily used for tableting was a difficult task until these inventions, which are expected to open new nutritional supplement market opportunities.
 
Self-heating packaging is widely used in many applications, including field rations. The chemistry of traditional self-heating technology generates hydrogen gas in addition to heat, which can pose a safety hazard. This chemical reaction in this self-heating phosphate system generates only water vapor and a safe, inert solid.
 

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The technology in this patent family yields a stable suspension of very fine calcium phosphate particles, a form expected to be useful in bone repair and tooth remineralization applications.
 

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Water-based asphalt emulsions are becoming a significant growth area in paving, both for quick repairs and in areas where odor and dust control are important. Innophos technology allows for the benefits of Innovalt products to be realized in this area also.