Location History:
- Duisburg, BE (1991 - 1994)
- Fort Collins, CO (US) (1997 - 1998)
Company Filing History:
4 out of 6,850 
3 out of 3,840 
1 out of 1 Years Active: 1991-1998
Title: Giovanni Parrinello: Innovator in Pharmaceutical Solutions and Recycling Technologies
Introduction
Giovanni Parrinello is a notable inventor based in Duisburg, Germany. He has made significant contributions to the fields of pharmaceutical solutions and recycling technologies. With a total of 8 patents to his name, Parrinello's work reflects a commitment to innovation and practical applications in various industries.
Latest Patents
One of Parrinello's latest patents is focused on a pharmaceutical solution and methods for its preparation. This invention involves a liquid pharmaceutical solution that contains antimicrobial agents, an organic solvent, and an acidic or basic aqueous medium. The preferred solutions include trimethoprim, sodium hydroxide, sulfadiazine, N-methylpyrrolidone, and water. The composition is designed to include trimethoprim at approximately 40 mg/ml, sulfadiazine at about 200 mg/ml, N-methylpyrrolidone at around 514 mg/ml, sodium hydroxide at about 30 mg/ml, and water. The methods for creating this pharmaceutical solution involve combining the ingredients in any order, with the option to add antioxidants and preservatives.
Another significant patent by Parrinello addresses the recycling of flexible foam through a process of glycolysis and extraction. This innovative method allows the foam to react with low molecular weight polyols, leading to a separation of the mixture into two phases. This approach not only promotes sustainability but also enhances the efficiency of foam recycling.
Career Highlights
Throughout his career, Giovanni Parrinello has worked with prominent companies, including Ciba-Geigy Corporation and Imperial Chemical Industries Limited. His experience in these organizations has contributed to his expertise in developing innovative solutions in both pharmaceuticals and materials recycling.
Collaborations
Parrinello has collaborated with notable professionals in his field, including Rolf Mulhaupt and Hubert Simon. These partnerships have likely enriched his work and expanded the impact of his inventions.
Conclusion
Giovanni Parrinello stands out as an influential inventor whose work in pharmaceutical solutions and recycling technologies has made a significant impact. His innovative patents and collaborations reflect a dedication to advancing these fields.