1
Sala Sergio, Cuneo Ambrogio, Dabisch Wolfgang: Typewriter ribbons having correction coating and method of making. May 23, 1972: US3664869 (8 worldwide citation)

The invention provides typewriting ribbons which comprise on a single, homogeneous support consisting of a synthetic polymer film a writing, inked part and a part suitable for correcting typing mistakes coated with a white, hiding composition. The support, preferably made of a polyester resin or of ...


2
Dabisch Wolfgang, Kuhn Peter, Muller Siegfried R, Narayanan Krishnamoorthy: Element having reversible and fixed light-extinction effects which are variable with temperature.. Dabisch Wolfgang Fa, September 3, 1980: EP0014826-A2 (8 worldwide citation)

1. Body with reversible, fixed and temperature-variable light extinctions, especially for the use as erasable record carrier, consisting of a pair of materials (A and B), one material (A) of which consists of at least one polymer and/or resin matrix material and which when heated from the state of m ...


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Dabisch Wolfgang: Corps a photo-absorption variable tributaire de la temperature, Bodies with reversibly variable temperature-dependent light absorbence. Tipp Ex Technik Wolfgang Dabisch, RIDOUT & MAYBEE, November 3, 1981: CA1111633

ABSTRACT OF THE DISCLOSURE In order, in the case of bodies withreversibly-variable absorbence, to adjust the zone oftransition from transparent to opaque or vice versa atdesired goal temperatures and to give the bodies apreferred form,' such as sheet form, they consist of asubstantially optically tr ...


5
Dabisch Wolfgang, Kuhn Peter, Narayanan Krishnamoorthy, Muller Siegfried R: Support denregistrement photographique a indices reversibles, effacables et susceptibles de gradation, Bodies with reversible fixable and temperature-variable light extinctions. Etip Erasable Thermographic Imaging Products, RIDOUT & MAYBEE, March 8, 1983: CA1142357

Summary In order to be able, in a simple manner, to erase, byheating, data recorded on bodies with reversible, tempe-rature-variable light extinctions, and then to be able touse the body a new for the recording of data, these bodiesconsist of at least one polymer material and/or resinmatrix material ...


6
Dabisch Wolfgang: Means for obliterating type-written characters. October 21, 1960: FR1244001-A

932,937. Typewriter ribbons. W. DABISCH. Nov. 26, 1959 [Nov. 26, 1958], No. 40155/59. Class 100 (4). [Also in Group VIII] A typewriter ribbon or sheet has a readilytransferable light-coloured coating to obliterate errors on a typewritten sheet. The coating is microporous, oil-free, and not strongly ...