Patent · US Active

Controlled release of active substances

US10772826B2 · kind B2 · utility

0Cited by

0References

14Claims

0Family size

Assignee

SOCIETE D'EXPLOITATION DE PRODUITS POUR LES INDUSTRIES CHIMIQUES SEPPIC · FR

Inventors

Yves Duccini · Beauvais, FR
Gerard Trouve · Castres, FR

Key dates

Filing date	Dec 7, 2015
Grant date	Sep 15, 2020
Priority date	—
Expiry date	Dec 7, 2035

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61P35/00
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

A water-insoluble composition, solid in appearance at a temperature of less than or equal to 20° C., comprising, for 100% of the mass of same: —X1% by mass of at least one lipophilic surfactant having a value HLB, H1, greater than or equal to 1 and less than 10; —X2% by mass of at least one hydrophilic surfactant having a value HLB, H2, greater than or equal to 10 and less than or equal to 20; characterised by the fact that the HLB of same=X1.H1+X2.H2, X1 and X2 varying from 2 to 60, and characterised in that it is free of acrylic polymer and/or of acetate succinate.

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