Patent · US Active

Process for preparing particles containing an antiviral

US8722696B2 · kind B2 · utility

0Cited by

3References

5Claims

0Family size

Assignee

Janssen R & D Ireland · IE

Inventors

Gael Lamoureux · Vernouillet, FR
Gerard Cousin · Gallardon, FR
Daniel Joseph Christiaan Thone · Beerse, BE

Key dates

Filing date	Sep 3, 2009
Grant date	May 13, 2014
Priority date	—
Expiry date	Jan 22, 2032

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61P31/18
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

A process for preparing a particle comprising a co-precipitate surrounding a neutral hydrophilic carrier, said process comprising spraying an organic solution on a neutral hydrophilic carrier, said solution comprising at least one triazine or pyrimidine active ingredient having HIV inhibiting properties, one surface active agent, and one hydrophilic polymer, wherein the spraying of whole of the solution occurs in at least two separate steps, each of these steps followed by a grinding step of the product obtained at the end of the preceding step.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.