RU93036963A - METHOD OF OBTAINING A COMPOSITION CONTAINING DMDMN, MDMN, DMN, METHODS OF OBTAINING AQUEOUS SOLUTION DMDMN, MDMN, DMN, COMPOSITION CONTAINING DMDMN, MDMN, DMNI, - Google Patents

METHOD OF OBTAINING A COMPOSITION CONTAINING DMDMN, MDMN, DMN, METHODS OF OBTAINING AQUEOUS SOLUTION DMDMN, MDMN, DMN, COMPOSITION CONTAINING DMDMN, MDMN, DMNI,

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Publication number
RU93036963A
RU93036963A RU93036963/14A RU93036963A RU93036963A RU 93036963 A RU93036963 A RU 93036963A RU 93036963/14 A RU93036963/14 A RU 93036963/14A RU 93036963 A RU93036963 A RU 93036963A RU 93036963 A RU93036963 A RU 93036963A
Authority
RU
Russia
Prior art keywords
mdmn
dmdmn
dmn
composition containing
obtaining
Prior art date
Application number
RU93036963/14A
Other languages
Russian (ru)
Other versions
RU2126272C1 (en
Inventor
Е.Фарина Томас
Розен Марвин
Original Assignee
Лонза Инк.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Лонза Инк. filed Critical Лонза Инк.
Publication of RU93036963A publication Critical patent/RU93036963A/en
Application granted granted Critical
Publication of RU2126272C1 publication Critical patent/RU2126272C1/en

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Claims (1)

Предложены композиции диметилолдиметилгидантоина, монометилолдиметилгидантоина и диметилгидантоина, содержащие менее 0,1 мас.% свободного формальдегида, считая на 100 мас.% всей композиции, при этом массовое отношение диметилолдиметилгидантоина к монометилолдиметилгидантоину находятся в пределах от около 1:1,25 до около 3,5:1. Эти композиции могут быть приготовлены взаимодействием диметилгидантоина и формальдегидсодержащего источника, при этом мольное отношение формальдегида к диметилгидантоину находится в пределах от около 1,2:1 до около 1,55:1 или смешением приблизительно 80 - 90 мас.% водного раствора метилолдиметилгидантоина, содержащего более 0,1 мас.% свободного формальдегида, с приблизительно 20 - 10 мас.% диметилгидантоина, считая на 100 мас.% объединенных водного диметилолдиметилгидантоинового раствора и диметилгидантоина.Dimethyldimethylhydantoin, monomethylol dimethylhydantoin and dimethylhydantoin compositions are proposed, containing less than 0.1 wt.% Free formaldehyde, based on 100 wt. :one. These compositions can be prepared by reacting dimethylhydantoin and a formaldehyde-containing source, the molar ratio of formaldehyde to dimethylhydantoin being in the range of from about 1.2: 1 to about 1.55: 1 or mixing approximately 80 - 90% by weight of an aqueous solution of methyloldimethylhydantoin containing 0.1 wt.% Free formaldehyde, with about 20 to 10 wt.% Dimethylhydantoin, based on 100 wt.% Combined aqueous dimethyl dimethylhydantoin solution and dimethyl hydantoin.
RU93036963/14A 1992-05-21 1993-05-20 Composition slowing down bacteria growth (variants), method of its preparing (variants) and method of bacteria growth slowing down RU2126272C1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US88728092A 1992-05-21 1992-05-21
US07/887280 1992-05-21

Publications (2)

Publication Number Publication Date
RU93036963A true RU93036963A (en) 1996-05-20
RU2126272C1 RU2126272C1 (en) 1999-02-20

Family

ID=25390816

Family Applications (1)

Application Number Title Priority Date Filing Date
RU93036963/14A RU2126272C1 (en) 1992-05-21 1993-05-20 Composition slowing down bacteria growth (variants), method of its preparing (variants) and method of bacteria growth slowing down

Country Status (20)

Country Link
US (1) US5405862A (en)
EP (1) EP0571903B1 (en)
JP (1) JP2657148B2 (en)
KR (1) KR970002875B1 (en)
CN (2) CN1064813C (en)
AT (1) ATE141919T1 (en)
AU (1) AU662409B2 (en)
BR (1) BR9302029A (en)
CA (1) CA2093045C (en)
DE (1) DE69304253T2 (en)
DK (1) DK0571903T3 (en)
ES (1) ES2093878T3 (en)
GR (1) GR3021711T3 (en)
HU (1) HUT64177A (en)
MX (1) MX9303006A (en)
PL (2) PL173873B1 (en)
RU (1) RU2126272C1 (en)
TW (1) TW378152B (en)
UA (1) UA37187C2 (en)
ZA (1) ZA933464B (en)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5616722A (en) * 1995-12-05 1997-04-01 Mcintyre Group, Ltd. Antimicrobial solution of formaldehyde substituted hydantoin and process for preparation
US6241783B1 (en) 1996-09-13 2001-06-05 The Regents Of The University Of California Formaldehyde scavenging in microbiocidal articles
US5882357A (en) * 1996-09-13 1999-03-16 The Regents Of The University Of California Durable and regenerable microbiocidal textiles
US6143204A (en) * 1998-06-19 2000-11-07 Lonza Inc. Stabilization of iodopropynl compounds
US6121302A (en) * 1999-05-11 2000-09-19 Lonza, Inc. Stabilization of isothiazolone
ATE547557T1 (en) 2000-06-08 2012-03-15 Lonza Ag ALDEHYDE SEPARATOR FOR STABILIZING PEROXIDES IN PAPER PRODUCTION
US20030039580A1 (en) * 2001-02-26 2003-02-27 Lonza Inc. Stable preservative formulations comprising halopropynyl compounds and butoxydiglycol solvent
DE60311486T2 (en) * 2002-08-20 2007-11-08 Lonza Inc. STABLE SYNERGISTIC ANTIMICROBIAL COMPOSITIONS FROM ALDEHYDE DONATORS AND DESHYDRATE ACIDS WITH LOW CONTENT OF FREE FORMALDEHYDE
US8138106B2 (en) 2005-09-30 2012-03-20 Rayonier Trs Holdings Inc. Cellulosic fibers with odor control characteristics
SG11201501042WA (en) 2012-08-21 2015-03-30 Lonza Ag Method of scavenging hydrogen sulfide and/or sulfhydryl compounds
JP2015196745A (en) * 2014-03-31 2015-11-09 シヤチハタ株式会社 aqueous ink
US20180208885A1 (en) 2017-01-24 2018-07-26 Mary Ann Pfannenstiel Antibiotic-free compositions for the prevention or control of coccidiosis
US20200362492A1 (en) * 2018-01-24 2020-11-19 Mitsui Chemicals, Inc. Spunbonded nonwoven fabric, hygiene material, and method for producing spunbonded nonwoven fabric
CN109503493B (en) * 2018-12-23 2022-07-01 陕西化工研究院有限公司 Preparation method of antifreezing 1, 3-dihydroxymethyl-5, 5-dimethylhydantoin DMDMDMDMH
CN111693632A (en) * 2020-07-24 2020-09-22 上海市食品药品检验所 Method for extracting total formaldehyde in cosmetics and rapid detection method

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3987184A (en) * 1974-06-07 1976-10-19 Glyco Chemicals, Inc. Dimethylol dimethylhydantoin solution
US4908456A (en) * 1989-04-05 1990-03-13 Takatori Corporation Process for preparing methylolated hydantoins
US5036095A (en) * 1989-11-14 1991-07-30 Guy Andermann Therapeutic use of DMDM Hydantoin
US5037843A (en) * 1990-03-05 1991-08-06 The Mcintyre Group, Ltd. Antimicrobial preservative system and method comprising a formaldehyde substituted hydantoin

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