The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 06, 2009
Filed:
Jun. 28, 2004
Applicants:
Raphaël Duval, Deauville, FR;
Hubert Leveque, Lillebonne, FR;
Inventors:
Raphaël Duval, Deauville, FR;
Hubert Leveque, Lillebonne, FR;
Assignee:
EKA Chemicals, Bohus, SE;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B01D 15/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
This invention relates to optically active support materials which include one or more esters and/or one or more carbamates and/or one or more mixed ester and carbamate compounds of polysaccharide or oligosaccharide, and an organic and/or inorganic substrate.