Encapsulated enzyme in dry bleach composition

Details Encapsulated enzyme in dry bleach composition Encapsulated enzyme in dry bleach composition

1992-01-13

1993-10-19

Lovering, Richard D.

Compositions

Oxidative bleachant, oxidant containing, or generative

Composition containing a stabilizer or a product in the form...

25218625, 25218626, 2521863, 25218633, 25217412, 25217413, 252 95, 252DIG12, C01B 15055

Patent

active

052542874

ABSTRACT:
The invention relates to a bleaching composition containing an oxidant bleach and enzyme granules, in which enzyme stability is prolonged without undue loss of solubility despite intimate contact of said enzyme granules with said oxidant bleach. In the invention, an oxidant is selected from the group consisting of alkali metal perborates, alkali metal percarbonates, hydrogen peroxide adducts, and mixtures thereof, and combined with an enzyme which is coated substantially completely by a water soluble polymer, in which an additive selected from the group consisting of reducing agents, a transition metal, and mixtures thereof is incorporated to enhance enzyme stability.

REFERENCES:
patent: 3393153 (1968-07-01), Zimmerer et al.
patent: 3494787 (1970-02-01), Lind et al.
patent: 3553139 (1971-01-01), McCarty
patent: 3637339 (1972-01-01), Gray
patent: 3676352 (1972-07-01), Grimm et al.
patent: 3770816 (1973-11-01), Nielsen
patent: 3840466 (1974-10-01), Gray
patent: 3950277 (1976-04-01), Stewart et al.
patent: 3975280 (1976-08-01), Hachmann et al.
patent: 3983002 (1976-09-01), Ohya et al.
patent: 4011169 (1977-03-01), Diehl et al.
patent: 4091544 (1978-05-01), Hutchins
patent: 4094808 (1978-06-01), Stewart et al.
patent: 4100095 (1979-07-01), Hutchins
patent: 4115292 (1978-08-01), Richardson et al.
patent: 4126573 (1978-11-01), Johnston
patent: 4128495 (1978-12-01), McCrudden
patent: 4155868 (1979-05-01), Kaplan et al.
patent: 4170453 (1979-10-01), Kitko
patent: 4259201 (1981-03-01), Cockrell et al.
patent: 4337213 (1982-06-01), Marynowski et al.
patent: 4381247 (1983-04-01), Nakagawa et al.
patent: 4421664 (1983-12-01), Anderson et al.
patent: 4430244 (1984-02-01), Broze et al.
patent: 4435307 (1984-03-01), Barbesgaard et al.
patent: 4443355 (1984-04-01), Murata et al.
patent: 4450089 (1984-05-01), Broze et al.
patent: 4479881 (1984-10-01), Tai
patent: 4501681 (1985-02-01), Groult et al.
patent: 4511490 (1985-09-01), Stanislowski et al.
patent: 4707287 (1987-11-01), Herdeman
patent: 4863626 (1989-08-01), Coyne et al.
patent: 5089167 (1992-02-01), Coyne et al.
patent: 5093021 (1992-03-01), Coyne et al.
The Condensed Chemical Dictionary, Gessner G. Hawley, 9th Ed. Van Nostrand Reinhold Co., p. 642.
Oxidation of Organic Compounds, ACS, 1968, vol. 1, Mayo, "Inhibition of Autoxidation".
Search Report from European Patent Application No. 90.309255 (equivalent to U.S. patent application Ser. No. 07/402,207, now U.S. Pat. 5,167,854, parent hereof).
S. N. Lewis, "Peracid and Peroxide Oxidations," in: Oxidation (Marcel Dekker, New York, 1969), vol. 1, Chapter 5, pp. 213-258.

Affiliated with

Also associated with

Rating

Encapsulated enzyme in dry bleach composition does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Encapsulated enzyme in dry bleach composition, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Encapsulated enzyme in dry bleach composition will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1349663