This inventor holds 6 USPTO granted patents, plus 1 CIPO patent. Top assignee: Shell Oil Comapny. Active years: 1988-2006.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Grande Couronne, FR (1990)
- Grand-Couronne, FR (1988 - 2006)
Company Filing History:
Years Active: 1988-2006
Title: Jean-Paul Darnanville: Inventor in Catalytic Dewaxing and Catalyst Preparation.
Introduction
Jean-Paul Darnanville is an inventor associated with Grand Couronne, France. His patent work includes technologies for catalytic dewaxing and catalyst preparation.
Latest Patents
One of Darnanville’s listed patents is “Catalytic dewaxing process.” It describes treating a wax-containing hydrocarbon oil feed with more than 500 parts per million by weight of sulfur or sulfur-containing compounds under catalytic dewaxing conditions. The catalyst composition includes a hydrogenation component, dealuminated aluminosilicate zeolite crystallites, and a low-acidity refractory oxide binder that is essentially free of alumina.
Another listed patent is “Method for preparing a catalyst.” The supplied information does not include further details about this invention.
Career Highlights
Darnanville is associated with Shell Oil Company. His recorded portfolio includes 6 patents, reflecting work in catalyst technologies and hydrocarbon processing.
Collaborations
His listed coworkers include Pierre E. Dejaifve and Roland A. Garin, who are also associated with patent work in this field.
Conclusion
Jean-Paul Darnanville’s patent record highlights contributions to catalytic dewaxing and catalyst preparation, with a focus on technologies relevant to hydrocarbon processing.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile