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7 results about "Pyrethrum" patented technology

Pyrethrum was a genus of several Old World plants now classified as Chrysanthemum or Tanacetum (e.g., C. coccineum) which are cultivated as ornamentals for their showy flower heads. Pyrethrum continues to be used as a common name for plants formerly included in the genus Pyrethrum. Pyrethrum is also the name of a natural insecticide made from the dried flower heads of Chrysanthemum cinerariifolium and Chrysanthemum coccineum. Its active ingredient are pyrethrins.

Traditional Chinese medicine composition for treating acne and external gel thereof

The invention belongs to the technical field of traditional Chinese medicines, and discloses a traditional Chinese medicine composition for treating acne and an external gel thereof. The traditional Chinese medicine composition is prepared from rheum officinale, cortex phellodendri and radix angelicae according to a specific ratio, specifically, 4 parts of rheum officinale, 1 part of cortex phellodendri and 1 part of radix angelicae (F1) are used for staphylococcus aureus, and 3 parts of rheum officinale, 12 parts of cortex phellodendri and 8 parts of radix angelicae (F2) are used for propionibacterium acnes; the external gel is prepared by taking carbomer 940 as a matrix, adding glycerol, propylene glycol, triethanolamine, Tween-80, potassium sorbate and the like as auxiliary materials and adding the traditional Chinese medicine extract. The composition can be used for treating acne and improving skin inflammation and hyperpigmentation, the gel is convenient to use and stable in property, skin irritation can be reduced, medication safety and patient compliance can be improved, and meanwhile the anti-inflammatory and antibacterial effects are enhanced.
Owner:NORTHWEST A & F UNIV

A pyrethroid pesticide microemulsion aid and a preparation method thereof

The present application relates to A01N25 / 30, and more particularly to a kind of pyrethrum pesticide microemulsion formulation auxiliary and its preparation method. According to weight parts, preparation raw material at least includes: pesticide emulsifier 10-30 parts, anhydrous calcium salt 45-55 parts, polyether 15-25 parts, polyhydric alcohol compound 5-15 parts. The pyrethrum pesticide microemulsion formulation auxiliary and its preparation method provided by the present application can effectively improve the penetration ability of pyrethrum pesticide, and assist to improve the insecticidal effect.
Owner:SHANDONG TIANDAO NEW MATERIALS CO LTD

A stable and efficient pyrethrum insecticidal composition and a preparation method thereof

The present application relates to the field of pesticide composition, especially to a stable and efficient pyrethrum insecticide composition and its preparation method. The composition comprises at least 1-10wt% of pyrethrum, 1-25wt% of the second active substance, 5-25wt% of functional adjuvant and the rest of solvent. The composition provided in the present application is different from the existing water dispersible granules, emulsifiable concentrate and suspension concentrate of pyrethrum and acetamiprid combination, which is a soluble concentrate composition with extremely high active ingredient content. The composition has obvious advantages in drug efficacy compared with solid preparations, and is more environmentally friendly than the existing emulsifiable concentrate type, and has excellent market prospect in the field of pesticides.
Owner:SHANGHAI YUELIAN BIOLOGICAL TECH +1

Streptomyces amylase HTR-4 and application thereof

The invention discloses a strain of streptomyces diastatus HTR-4 and an application of the strain of streptomyces diastatus HTR-4. The strain HTR-4 is preserved in the China General Microbiological Culture Collection Center (CGMCC) on May 9, 2024, and the preservation number is CGMCC NO.30538. The strain HTR-4 is named as HTR-4. The strain has a good antagonistic effect on fusarium graminearum, and a sterile fermentation broth of the strain has an inhibiting effect on mycelial growth and spore germination of the fusarium graminearum and also has good stability. The strain HTR-4 provided by the invention can provide a strain resource for biological prevention and control of wheat scab. In addition, the strain HTR-4 also has an antagonistic ability to alternaria alternata, botryosphaeria dothidea, corn northern leaf blight, colletotrichum gloeosporioides, pyrethrum lasiocarpum and fusarium oxysporum.
Owner:HENAN INST OF SCI & TECH

Insecticide composition based on fenoxycarb application

PendingCN121910005ABiocideDead animal preservationToxicologyFenoxycarb
The invention discloses an insecticide composition based on fenoxycarb application. The insecticide composition is formed by compounding fenoxycarb, a biological source synergistic component and an agriculturally acceptable auxiliary agent, the biological source synergistic component comprises at least one of pyrethroids, neonicotinoids, bisamides or insect growth regulators; the mass ratio of the fenoxycarb to the biological source synergistic component is (1-20): (20-1). Compared with the prior art, the pesticide composition based on fenoxycarb application has the advantages that fenoxycarb and a specific type of biological source synergistic component are scientifically compounded, the limitation of a single component is overcome, and the control effect on various agricultural pests is remarkably improved.
Owner:NANTONG HONG YANG CHEM CO LTD

LED lamp with mosquito repelling structure

The utility model relates to mosquito repellent lamp technical field, concretely is a kind of LED lamp with mosquito repellent structure, including lamp body and control panel, a plurality of recessed parts are set up on the lamp body, a plurality of recessed parts are all L-shaped structure, the control panel is circular structure, and a plurality of protruding parts are provided around, mosquito repellent assembly is provided on the control panel, this LED lamp with mosquito repellent structure makes yellow light LED replace traditional ultraviolet light source, completely eliminates ultraviolet light leakage risk, avoids the damage to human skin and eye, repels mosquito by physical yellow light, without adding pyrethrum chemical substance, avoid the irritation of chemical volatile to respiratory tract, skin, eliminate pet poisoning risk simultaneously.
Owner:SHENZHEN AODOBI TECH CO LTD

Insect-repellent environment-friendly microcapsule, insect-repellent environment-friendly asphalt additive and preparation method thereof

The application discloses an environmentally-friendly insect-repelling microcapsule, an environmentally-friendly insect-repelling asphalt additive and a preparation method thereof. The shell material of the environmentally-friendly insect-repelling microcapsule is a composite shell material comprising silicon dioxide / nano-electric jade, and the core material comprises one or more of a pyrethrum compound, a carboxylic acid ester compound, an amide compound and a plant extract; the shell material is loaded with a metal chelate on the surface. The environmentally-friendly insect-repelling microcapsule can not only efficiently and durably repel insects around roads, but also effectively inhibit the amount of pollutants generated by high-temperature action of asphalt in the production, construction and pavement process, thereby providing a new idea for functional utilization of asphalt materials.
Owner:CHINA PETROLEUM & CHEMICAL CORP +1