Quaternary Phosphonium Compounds (c)a-p-(h)b Wherein A+b=4, A=1-4, B=1-3, (9/54; 9/54a1; 9/54a1+w; 9/54a1+w2) Patents (Class 987/110)
Contains the structure aryl-(c)n-p where n is at least one (9/54a7) (Class 987/111)
Contains two or more phosphonium p atoms (9/54a6) (Class 987/112)
Contains the structure (aryl group*)-p where * indicates a direct bond between a carbon of the aryl ring and the p atom (9/54a4) (Class 987/113)
Contains the structure "carbocyclic ring"-p where "--" indicates that a ring carbon of the carbocyclic ring may or may not be bonded directly to the p atom (9/54a3) (Class 987/114)
Contains the structure "ethylenic group"-p where "--" indicates that a carbon of the ethylenic group may or may not be bonded directly to the p atom (9/54a2) (Class 987/115)
  • Aqueous solution composition containing organosilicon compounds
    Patent number: 11691994
    Abstract: An aqueous solution composition containing a co-hydrolysate or a co-hydrolytic condensate of an organosilicon compound of formula (1) and an organosilicon compound of formula (2), or both the co-hydrolysate and the co-hydrolytic condensate: wherein R1 and R2 are each independently an alkyl group having 1 to 10 carbon atoms or an aryl group having 6 to 10 carbon atoms, R3 is an alkyl group having 12 to 24 carbon atoms, R4 and R5 are each independently an alkyl group having 1 to 6 carbon atoms, X is a halogen atom, m is an integer of 1 to 20, and n is an integer of 1 to 3.
    Type: Grant
    Filed: June 24, 2022
    Date of Patent: July 4, 2023
    Assignee: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Munenao Hirokami, Tetsuro Yamada, Kazuhiro Tsuchida
  • Alcohol free, low viscosity, and high water content air freshener compositions
    Patent number: 11559598
    Abstract: An alcohol free, low viscosity, and high-water content air freshener composition is provided. The transparent microemulsion system is stable at a broad range of temperatures. The main ingredient of the composition is water. The composition is free of conventionally-used amphiphilic surfactants including ionic and non-ionic surfactants. The composition contains an oil phase, an aqueous phase and at least one glycol ether solvent. The system is compatible for a wide scope of water-immiscible ingredients that are used in fragrances and flavors.
    Type: Grant
    Filed: October 30, 2020
    Date of Patent: January 24, 2023
    Assignee: Belle-Aire Fragrances, LLC
    Inventors: Xiang Fei, Jeremy David, Jerome Bellak, Donald Conover, Jr.
  • Method of producing a bis(2-carboxyethyl)alkyl phosphine oxide and a derivative thereof
    Patent number: 5679849
    Abstract: A method of producing a bis(2-carboxyethyl)-alkyl phosphine oxide represented by the following general formula (1) is disclosed. ##STR1## The method comprises the following Steps 1-4: step 1 wherein phosphine is reacted with acrylonitrile to produce bis(2-cyanoethyl)phosphine and then, in step 2, reacted with an alkene to produce a bis(2-cyanoethyl)alkyl phosphine, and in step 3, reacted with an oxidizing agent to produce a bis(2-cyanoethyl)alkyl phosphine oxide, and in step 4, said bis(2-cyanoethyl)alkyl phosphine oxide is reacted with water or a lower alcohol to give a bis(2-carboxyethyl)alkyl phosphine oxide or a derivative thereof.
    Type: Grant
    Filed: January 17, 1996
    Date of Patent: October 21, 1997
    Assignee: Nippon Chemical Industrial Co., Ltd.
    Inventors: Masashi Sugiya, Tsutomu Watanabe, Kaoru Takeuchi