Article and process for cleaning fabrics

Bleaching and dyeing; fluid treatment and chemical modification – Cleaning or laundering

Reexamination Certificate

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C510S294000, C510S399000, C435S264000

Reexamination Certificate



An article for use in an enzymatic fabric cleaning process, said article containing one or more types of harmless micro-organisms capable of excreting enzymes useful in said fabric cleaning process. Furthermore, there is provided an enzymatic method of cleaning fabrics, whereby soiled fabrics are soaked with water in the presence of said article.

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patent: 5580644 (1996-12-01), Minami
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patent: 6140106 (2000-10-01), Lawler et al.
patent: 2243011 (1998-07-01), None
patent: 224 920 (1987-06-01), None
patent: 423 890 (1991-04-01), None
patent: 924 221 (1999-06-01), None
patent: 953414 (1964-03-01), None
patent: 86/04088 (1986-07-01), None
patent: 91/10723 (1991-07-01), None
patent: 95/01426 (1995-06-01), None
patent: 97/11217 (1997-03-01), None
patent: 97/24428 (1997-07-01), None
PCT Search Report in a PCT application PCT/EP 03/04706, no date available.
EP Search Report in an EP application EP 02 25 3631, Oct. 25, 2002.
Derwent Abstract of EP 224 920 published Jun. 10, 1987.
Hage et al., “Efficient Manganese catalysts for low-temperature bleaching”, Letter to Nature, vol. 369, Jun. 23, 1994, pp. 637-639.


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