DE868592C is the German member of the patent family in which Leon Sprink describes a high-voltage electrode frame said to change how chemical reactions and changes of state proceed in vessels standing metres away from it. Its title translates roughly as "Apparatus for carrying out reactions and changes of state of matter". The Google Patents record names Leon Sprink of Couvrot, France, as inventor and assignee, with a priority date of 1947-08-01 (French application FR1005532), a German filing date of 1948-10-28 and publication on 1953-02-26. The record lists the patent as expired. It is the most detailed statement in this dossier of what the apparatus is supposed to be and do, and it is a set of assertions by the applicant, not a test report.
What does the patent say the apparatus changes?
The scope is very wide. The description covers chemical combination and decomposition and also processes that leave composition unchanged: melting, dissolving, evaporation, crystallisation, peptisation and coagulation are named. By altering the position, dimensions, shape and electrical operating conditions of the device, the patent says, the effect can be made to accelerate, stabilise, retard or divert a change of state.
The central idea is that the treated material is not put between the plates of a field-producing device. It sits apart from the apparatus, in a region the patent calls an activated space.
How is the device laid out?
The description's main example is a frame carrying four fine metal points at the corners of a square ABCD, wired in pairs to a DC generator so that the two points at the ends of each diagonal (AC or BD) are at opposite poles. The generator's negative pole is earthed. The stated principle is that at least two groups of opposed electrodes send out bundles of charged particles, electrons in particular, which meet in a limited zone, and that this zone becomes the centre of the activation.
Variants are listed. Electrodes may be distributed along the diagonals of rectangles, rhombuses, cubes or prisms; eight points at the corners of a cube may replace four. One polarity may simply be earthed, ideally through a layer of natural or artificial water. A rippling positive DC voltage obtained by rectifying an AC supply is said to be acceptable. For speeding up cement clinker production, lime burning and saponification, the plane of the electrodes is to stand essentially at right angles to magnetic north at the site, and a rotating frame lets the operator change the orientation.
The six claims are narrower than the description. Claim 1 covers at least two pairs of electrodes charged to DC voltages between 1000 and 100 000 volts, with their plane essentially perpendicular to the magnetic meridian, set up 3 to 60 m from the reaction vessel. The dependent claims add the diagonal arrangement (preferably a square), connection of one polarity to earth or groundwater, an insulating swivel frame, electrodes in the form of metal points, and shielding walls of rubber or resin. The published German text is internally inconsistent on one point: the description of figure 1 calls the frame conducting, while claim 4 calls it insulating.
Slow build-up, persistence and shielding
The patent asserts three behaviours that an ordinary electric field would not be expected to show:
- The immediate effect is described as small and sometimes negligible. Only after uninterrupted operation for a long time, with 2 weeks to 2 months given as an example, do concentric zones around the device acquire activating properties, the nearest vessels responding first.
- The zones are said to stay active for a considerable time after the device is switched off, which the patent calls a genuine retention phenomenon. It therefore recommends activating a site in advance.
- Metals, wood and masonry (brick, stone, cement) are reported as transparent to the effect, while rubber blocks it; rubber or resin screens are proposed to protect selected places or to confine the activated region.
No measurement of any of this is described: the patent names no instrument that detects the activated space, and the only indicator offered is the change in the industrial process itself.
The worked examples
| Example | Arrangement | Result asserted |
|---|---|---|
| Cement clinker (in the description) | 50 000 volts, at 50 m | sufficient activation reached after 5 weeks |
| I. Saponification of fats in autoclaves | four points, diagonal 0.50 m, device indoors, 3 to 10 m from each autoclave | after 1 month, reaction time down from the usual 24 hours to 3 hours; heat input reduced by 50% |
| II. Lime kilns, commercial operation | four points, 40 000 volts DC | 950 calories per kg of burnt lime over about 3 months, against a 5-year average of 1230 |
| III. Laboratory reduction of iron and aluminium ores | four points, diagonal 1 m, 160 000 volts, furnaces 3 to 50 m away | "similar results", with no figures |
The two lime figures correspond to a fuel reduction of about 23 per cent; the patent itself gives only the two numbers. The voltage in Example I is illegible in the published text, and the diagonal in Example II is printed ambiguously (apparently 1 m). Example III's 160 000 volts lies above the 100 000-volt ceiling of claim 1.
These figures differ from those in the Canadian counterpart as reported in An Amateur Sprink-Style Hoop (2022): Field-Meter Readings, a 1 Hz Pulsation and a Faulty Power Supply, which gives 5000 volts for the 0.50 m frame, 60,000 volts for the 1 m frame, and lime at 790 against 1200 calories per kilogram. The German document does not explain the difference, and the two sets of numbers should not be merged.
What the document does and does not establish
The patent is frank about two limits. It says that "activation of space" names the effect and not its cause, because the scientific nature of the phenomenon could not at that time be explained with any precision. It also concedes that Sprink's earlier arrangement in French patent 866491 (see FR866491), in which the reacting medium sat in an earthed container inside an electrostatic field with an insulated electrode linking it to the outside air, gave results that were neither uniform nor regular, depended on outside influences and did not suit many industrial problems.
Beyond that, the examples are unattributed. No factory, laboratory, date or observer is named, and no control is described. The lime comparison sets about three months of operation against a five-year average, without accounting for changes in fuel, stone, weather or kiln practice; the saponification example gives no account of how the 24-hour baseline was established. The persistence claim would also make an on-off comparison hard to interpret. The record shows the application was granted; that is a legal status, not evidence that the apparatus works. The Google Patents record lists one later citing document, DE1114789B (Exxon Research Engineering Co, on catalyst manufacture); a citation is a bibliographic link, not confirmation.
For how these assertions sit against the rest of the record, see Sprink Claims vs. Evidence: Patents, Press Reports and the Absence of Independent Validation and Electrostatic Activation of Matter.
References
- DE868592C, "Vorrichtung zur Durchführung von Reaktionen und Zustandsänderungen der Materie", Leon Sprink, published 1953-02-26: https://patents.google.com/patent/DE868592C/de
Source notes & attribution
- https://patents.google.com/patent/DE868592C/de