Controlled release compositions
IPC분류정보
국가/구분 |
United States(US) Patent
등록
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국제특허분류(IPC7판) |
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출원번호 |
US-0073282
(1998-05-06)
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발명자
/ 주소 |
- Ghosh Tirthankar
- Nungesser Edwin H.
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출원인 / 주소 |
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대리인 / 주소 |
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인용정보 |
피인용 횟수 :
5 인용 특허 :
2 |
초록
Disclosed are compositions containing biologically active compounds that slowly release the biologically active compound. These compositions may be directly incorporated into the locus to be protected or may be applied to a structure in a coating.
대표청구항
▼
[ What is claimed:] [1.]1. A controlled release composition comprising(a) at least 0.5 ppm of a biologically active compound selected from the group consisting of: 5-chloro-2-methyl-3-isothiazolone; 2-methyl-3-isothiazolone; 2-n-octyl-3-isothiazolone; 4,5-dichloro-2-n-octyl-3-isothiazolone; 1,2-dibr
[ What is claimed:] [1.]1. A controlled release composition comprising(a) at least 0.5 ppm of a biologically active compound selected from the group consisting of: 5-chloro-2-methyl-3-isothiazolone; 2-methyl-3-isothiazolone; 2-n-octyl-3-isothiazolone; 4,5-dichloro-2-n-octyl-3-isothiazolone; 1,2-dibromo-2,4-dicyanobutane; methylene-bis-thiocyanate; 2-thiocyanomethylthiobenzothiazole; tetrachloroisophthalonitrile; 5-bromo-5-nitro-1,3-dioxane; 2-bromo-2-nitopropanediol; 2,2-dibromo-3-nitrilopropionamide; N,N'-dimethylhydroxyl-5,5'-dimethylhydantoin; bromochlorodimethylhydantoin; 1,2-benzisothiazolin-3-one; 4,5-trimethylene-2-methyl-3-iosthiazolone; 5-chloro-2-(2,4-dichlorophenoxy)phenol; 3,4,4'-trichlorocarbanilide; manganese ethylenebisdithiocarbamate; zinc dimethyl dithiocarbamate; 2-methyl-4-t-butylamino-6-cvclopropylamino-s-triazine; 2,4,5,6-tetrachloroisophthalonitrile; N,N-dimethyl dichlorophenyl urea; zinc ethylenebisdithiocarbamate; N-(fluorodichloromethylthio)-phthalimide; N,N-dimethyl-N'-phenyl-N'-fluorodichloromethylthio-sulfamide; zinc 2-pyridinethiol-1-oxide; tetramethylthiuram disulfide; 2,4,6-trichlorophenylmaleimide; 2,3,5,6-tetrachloro-4-(methylsulfonyl)-pyridine; 3-iodo-2-propynyl butyl carbamate; bis dimethyl dithiocarbamoyl zinc ethylenebisdithiocarbamate; phenyl (bispyridil) bismuth dichloride; 2-(4-thiazolyl)-benzimidazole; pyridine triphenyl borane; phenylamides; halopropargyl compounds; and 2-haloalkoxyaryl-3-isothiazolones;(b) a polyphenolic compound of the formulaA=CR.sup.4 R.sup.5, dicyclopentadiene;R.sup.1 =H, (C.sub.1 -C.sub.8)alkyl;R.sup.2, R.sup.3, R.sup.4, R.sub.5, R.sup.6 are independently selected from R.sup.1, OR.sup.1, SR.sup.1, NO.sub.2, CN, CO.sub.2 R.sup.1, halo, phenyl, substituted phenyl, phenoxy, substituted phenoxy, (C.sub.1 -C.sub.4)alkoxyphenyl, substituted (C.sub.1 -C.sub.4)alkoxyphenyl;m=1;n=1-100; and(c) an organic solvent carrier; rein the biologically active compound and the polyphenolic compound are in a weight ratio relative to each other of from 1:10 to 9:1; and wherein the polyphenolic compound is optionally crosslinked.
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