sentences:  In the late eighties, he created a digital network of print on demand centers around Mexico City, and in the nineties he founded InstaBook Corporation, a company to market the technology that became known as Print on Demand or Book on Demand.In 2019 he received patent US 10406466, for a technology that uses kinetic energy to process massive amounts of urban air, to locate and separate the toxic particles known as PM2.5 and PM10 which have been found to be poison for every living being.In 2018 he founded the nonprofit organization Pulmón Urbano AC (Urban Lung Inc.