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:
Mar. 15, 2022
Filed:
Oct. 02, 2019
Applicant:
Spheritech Ltd., Runcorn, GB;
Inventor:
Donald A. Wellings, Runcorn, GB;
Assignee:
Spheritech Ltd., Runcorn, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K 38/42 (2006.01); A61K 9/127 (2006.01); A61K 47/12 (2006.01); A61K 47/18 (2017.01); A61K 47/22 (2006.01); A61K 9/50 (2006.01); A61K 9/00 (2006.01); A61K 9/16 (2006.01);
U.S. Cl.
CPC ...
A61K 38/42 (2013.01); A61K 9/1273 (2013.01); A61K 9/5021 (2013.01); A61K 47/12 (2013.01); A61K 47/18 (2013.01); A61K 47/22 (2013.01);
Abstract
The invention provides a blood substitute product comprising haemoglobin and a self-assembled microparticle having an acid having two or more acid groups and an organic base in a solvent. The particle is of micron scale. The microparticle may be obtained by contacting a bis-acid and organic base in a hydrophilic solvent, wherein the acid is insoluble or sparingly soluble in the hydrophilic solvent and the organic base is soluble in a hydrophilic solvent.