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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.:

US 11291683 B1

PDFFull Text
Date of Patent:
Apr. 05, 2022

Filed:

Mar. 28, 2017

Bilayer tablets of b vitamins and process for preparing the same

Applicant:

Access Business Group International Llc, Ada, MI (US);

Inventors:

David S. Chang, Fullerton, CA (US);

Dawna Venzon, Brea, CA (US);

Shilpa Raut, Fullerton, CA (US);

AllĂ­ Klosner, Fullerton, CA (US);

Janjira Intra, Rowland Heights, CA (US);

Edward S. Kahler, Anaheim, CA (US);

Assignee:

ACCESS BUSINESS GROUP INTERNATIONAL LLC, Ada, MI (US);

Attorney:

Crowell & Moring LLP

Primary Examiner:

Tigabu Kassa

Int. Cl.
CPC ...
A61K 31/714 (2006.01); A61K 9/20 (2006.01); A61K 36/064 (2006.01); A61K 31/525 (2006.01); A61K 31/4188 (2006.01); A61K 31/455 (2006.01); A61K 31/4415 (2006.01); A61K 31/197 (2006.01); A61K 31/51 (2006.01); A61K 9/24 (2006.01); A61K 31/519 (2006.01); A61K 47/38 (2006.01);
U.S. Cl.
CPC ...
A61K 31/714 (2013.01); A61K 9/209 (2013.01); A61K 31/197 (2013.01); A61K 31/4188 (2013.01); A61K 31/4415 (2013.01); A61K 31/455 (2013.01); A61K 31/51 (2013.01); A61K 31/519 (2013.01); A61K 31/525 (2013.01); A61K 36/064 (2013.01); A61K 47/38 (2013.01);
Abstract

Compositions for oral administration and processes of preparing the same are described. In particular, compositions in the form of bilayer tablets including B vitamins for modified delivery are described. The bilayer multi-B vitamin tablets offer immediate release of a first set of B vitamins, such as riboflavin (B2) and cyanocobalamin (B12) followed by controlled release of a second set of B vitamins, such as folic acid, biotin, niacinamide (B3), pyridoxine (B6), pantothenic acid (B5) and thiamine (B1).

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