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Encapsulation process and capsules produced thereby 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • A01N-025/28
  • A01N-043/00
  • B01J-013/02
출원번호 US-0922473 (1978-07-07)
발명자 / 주소
  • Scher Herbert B. (Moraga CA)
출원인 / 주소
  • Stauffer Chemical Company (Westport CT 02)
인용정보 피인용 횟수 : 67  인용 특허 : 0

초록

Encapsulation process to prepare encapsulated water-immiscible material employing an organic polyisocyanate intermediate to form a polyurea capsule enclosure around a water-immiscible material dispersed in an aqueous continuous phase comprising the steps of heating the dispersion or adding a catalys

대표청구항

A process of encapsulating water-immiscible material within discrete capsules of polyurea without addition of a second reactant, whereby hydrolysis of an isocyanate monomer to form an amine takes place which in turn reacts with another isocyanate monomer to form polyurea, which comprises the steps:

이 특허를 인용한 특허 (67)

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  21. Villamar Daniel F. (Maple Grove MN), Foodstuff for and method of feeding crustaceans and fish.
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  29. Ohtsubo Toshiro (Osaka JPX) Tsuda Shigenori (Kyoto JPX) Manabe Yukio (Osaka JPX) Itoh Takaaki (Hyogo JPX) Kawada Hitoshi (Osaka JPX) Shinjo Goro (Osaka JPX) Tsuji Kozo (Nara JPX), Method for preventing termites and microencapsulated organophosphorus termite controlling composition.
  30. Khalil Carlos Nagib,BRX ; Da Silva Alberto Cunha Carneiro,BRX ; De Souza Celso Rodrigo,BRX ; Brum Maria Cristina,BRX ; Martins Claudio Silvio Viana,BRX ; De Menezes Sonia Maria Cabral,BRX, Method for the thermo-chemical dewaxing of large dimension lines.
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  61. Jadhav,Prakash Mahadev; Shroff,Jaidev Rajnikant, Safe delivery system for agriculturally active material.
  62. Dihora, Jiten Odhavji; Brown, Mark Anthony, Shampoo compositions with increased deposition of polyacrylate microcapsules.
  63. Dihora, Jiten Odhavji; Brown, Mark Anthony, Shampoo compositions with increased deposition of polyacrylate microcapsules.
  64. Ju,Hee Kyung; Kim,Jin Woong; Han,Sang Hoon; Chang,Ih Seop; Kim,Han Kon; Kang,Hak Hee; Lee,Ok Sub, Thermotropic liquid crystal polymer microcapsules, a method for preparing the same, and cosmetic compositions containing the same.
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  67. Schwantes, Todd Arlin; Sands, Peggy Dorothy, Water-in-oil capsule manufacture process and microcapsules produced by such process.
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