2 results about "Terbutaline" patented technology

This invention proposes a compound ambroxol sustained-release microsphere and its preparation method. The compound ambroxol sustained-release microsphere comprises ambroxol hydrochloride, clenbuterol hydrochloride, and a cellulose ester sustained-release material, effectively controlling the dissolution differences between ambroxol hydrochloride and clenbuterol hydrochloride, enabling simultaneous and stable release of both drugs and avoiding efficacy fluctuations due to different release rates. Furthermore, the microsphere utilizes a hot-melt extrusion process, ensuring uniform dispersion of the two active pharmaceutical ingredients within the sustained-release material, thus resolving the uniformity issue caused by low clenbuterol hydrochloride content. The preparation process requires no organic solvents, eliminating solvent residues and preventing degradation or reactions of the active pharmaceutical ingredients in solvents, thereby improving product stability.

This invention provides a ternary herbicidal suspension emulsion containing 2,4-D isooctyl ester, terbutaline, and acetochlor. Its preparation components include: 2,4-D isooctyl ester, terbutaline, acetochlor, a dispersant; an emulsifier; a stabilizer; a dispersion medium; other adjuvants; and water. The stabilizer comprises vitamin E polyethylene glycol succinate and modified silica. This invention, through the specific ratio of 2,4-D isooctyl ester, terbutaline, and acetochlor, expands the weeding range and improves the weeding effect, offering advantages such as rapid and thorough weed control with low toxicity. The specific stabilizer used in this invention results in finer particle size and higher suspension rate during the grinding process. By selecting a suitable emulsifier and considering the characteristics of cornfields and the properties of the active ingredient, this invention achieves excellent weeding performance without affecting crop growth and development.