EP0071987A1
Expired / Lapsed
EP
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Soap making process
Assignee: Dial Corp
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Filing: 1982-08-05
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Granted: —
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Expires: 2002-08-05
Abstract
Abstract A process for the preparation of soap and soap/ synthetic detergent products from raw materials normally employed in the manufacture of such products including fatty acids, triglycerides and caustic or alkali by subjecting such raw materials to Intensive counter- current mixing whereby saponification takes place in a relatively short time to yield a product, preferably in granular or powder form, which requires no further drying for most uses. The resulting product can, if desired, be then subjected to plodding, extrusion and stamping to form soap in bar form. The starting material can also be a mixture of such raw materials where neutralization has proceeded to some degree, preferably the neat soap stage.
Inventors
- 👤 Julian R. Story
- 👤 Gary E. Myers
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-09 19:56
CPC Classifications
C; C11; C11D; C11D13/00; C11D13/10; B; B01; B01F; B01F29/00; B01F29/80; C11D13/02; C11D17/00; C11D17/0095
Claims Analysis
Total Claims: 22
Claim 1
Independent Claim
84 words
Process for making soap from raw materials normally employed in soap manufacture including a fatty acid source and caustic characterized by the steps of introducing said materials into an enclosed mixing vessel, causing said materials in said vessel to rotate in a generally circular path while simultaneously bringung said materials into contact with a rotating means mounted within said vessel, said means rapidly rotating in a direction counter to the initial direction of flow of said materials in said vessel whereby saponification takes place.
Claim 2
Dependent Claim
84 words
Process for making soap from raw materials normally employed in soap manufacture including a fatty acid source and caustic characterized by the steps of introducing said materials into an enclosed mixing vessel, causing said materials in said vessel to rotate in a generally circular path while simultaneously bringung said materials into contact with a rotating means mounted within said vessel, said means rapidly rotating in a direction counter to the initial direction of flow of said materials in said vessel whereby saponification takes place.
Claim 3
Dependent Claim
29 words
Process according to claim 1, characterized in that the contact of said materials with the rapidly rotating means creates a series of whirlpools of said materials within said vessel.
Claim 4
Dependent Claim
30 words
Process according to claims 1 or 2, characterized in that said counter rotating means are mounted eccentrically within said vessel and at a distance from the wall of said vessel.
Claim 5
Dependent Claim
51 words
Process according to one of the previous claims, characterized in that the saponification is made within a mixing vessel provided with a pan and a rotating means mounted within said pan and said vessel, each of said pan and said rotating means being rotatable in a direction counter to each other.
Claim 6
Dependent Claim
19 words
Process according to one of the previous claims, characterized in that air is blown into said vessel during saponification.
Claim 7
Dependent Claim
25 words
Process according to claim 5, characterized in that said air is cooled to a temperature below ambient air prior to blowing it into said vessel.
Claim 8
Dependent Claim
22 words
Process according to one of the previous claims, characterized in that said fatty acid source und caustic are introduced in liquid form.
Claim 9
Dependent Claim
31 words
Process according to one of the previous claims, characterized in that said fatty acid source are long chain monocarboxylic acids having a chain length of from 6 to 18 carbon atoms.
Claim 10
Dependent Claim
18 words
Process according to one of the previous claims, characterized in that said materials also include a synthetic detergent.
Claim 11
Dependent Claim
16 words
Process according to claim 9, characterized in that said synthetic detergent is an alpha olefin sulfonate.
Claim 12
Dependent Claim
43 words
Process according to one of the claims 1 - 10, characterized in that the materials are subjected to intensive countercurrent mixing for a period of time sufficient to form soap granules having a moisture content of less than about 20 % by weight.
Claim 13
Dependent Claim
30 words
Process according to claim 11, characterized in that said caustic is introduced into said pan when at least a portion of said fatty acid source is already in said pan.
Claim 14
Dependent Claim
35 words
Process according to claims 11 or 12, characterized in that a mixture of a fatty acid source and caustic or alkali is used wherein neutralization of said fatty acid source has proceeded to some degree.
Claim 15
Dependent Claim
25 words
Process according to claim 13, characterized in that the neutralization of said fatty acid source is essentially completed prior to introduction into said mixing vessel.
Claim 16
Dependent Claim
37 words
Process according to claims 11 - 14, characterized in that said materials in said vessel are initially in a liquid phase and with continued mixing become a viscous dough-like mass, thereafter into strands and finally into granules.
Claim 17
Dependent Claim
37 words
Process according to one of the claims 11 - 15, characterized in that the saponification is continued until the resulting product is in powder form and has a moisture content of less than 10 % by weight.
Claim 18
Dependent Claim
33 words
Process according to one of the claims 11 - 16, characterized in that said soap granules are removed from said vessel and thereafter subjected to plodding, extrusion and stamping to form soap bars.
Claim 19
Dependent Claim
47 words
Process according to one of the claims 1 - 10, characterized in that in order to make transparent soap additionally triethanolamine and glycerin are introduced into the mixing vessel, and that the resulting soap is heated until liquidation whereafter said liquid is poured into a suitable mold.
Claim 20
Dependent Claim
29 words
Process according to claim 18, characterized in that the fatty acid source is first introduced into said pan while triethanolamine and glycerine are introduced only later into said pan.
Claim 21
Dependent Claim
29 words
Process according/claim 18 or 19, characterized in that said materials are selected from the group consisting of a fatty acid source, caustic, glycerine, alcohols, sugars, alkalis and mixtures thereof.
Claim 22
Dependent Claim
58 words
Device for performing the process according to one of the claims 1 - 20, characterized in that the same is provided with an enclosed mixing vessel (21, 82) in which there is mounted a rotating means (22, 83), which is rapidly rotating in a direction counter to the initial direction of flow of the materials to be treated.
References Cited (Backward Citations)
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