Location History:
- Groningen, NL (2004)
- Alkmaar, NL (2005 - 2007)
Company Filing History:
1 out of 11 
1 out of 5 
1 out of 173 Years Active: 2004-2007
Title: Coenraad Jan Spaans: Innovator in Hydrogel Technology
Introduction
Coenraad Jan Spaans, based in Alkmaar, Netherlands, is an accomplished inventor known for his contributions to the field of hydrogel technology. With a total of three patents to his name, Spaans has made significant strides in developing advanced materials with enhanced mechanical properties.
Latest Patents
One of Spaans' most notable patents is focused on hydrogels and methods for their production. This invention pertains to new hydrogels created from hydrophilic polymers containing functional hydroxyl groups. The resulting hydrogels demonstrate a low elasticity modulus, typically less than about 10 kPa, coupled with a tensile strength exceeding 1 MPa and an elongation of over 50%. These characteristics make them particularly suitable for medical applications, including intraocular lenses. The preparation of these hydrogels employs a crosslinking method using a relatively low concentration of hydrophilic polymer that possesses a sufficiently high molecular weight, dissolved in an appropriate solvent.
Career Highlights
Throughout his career, Coenraad Jan Spaans has been associated with reputable companies such as Pharmacia Groningen B.V. and Polyganics B.V. His roles within these organizations have allowed him to further develop his expertise in the field and contribute to innovative projects that resonate within the medical and materials science communities.
Collaborations
In his journey as an inventor, Spaans has collaborated with notable professionals, including Albert Johan Pennings and Jacqueline Hermina de Groot. These collaborations have enriched his work and led to the exchange of ideas conducive to innovation in hydrogel research.
Conclusion
Coenraad Jan Spaans continues to be a pivotal figure in the development of hydrogel technologies with promising applications in the medical field. His inventive solutions and collaborative spirit exemplify the importance of innovation in improving existing medical materials and methodologies.