Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Aussedat Rey SA
Original Assignee
Aussedat Rey SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Aussedat Rey SAfiledCriticalAussedat Rey SA
Priority to ES9002133ApriorityCriticalpatent/ES2020731A6/en
Publication of ES2020731A6publicationCriticalpatent/ES2020731A6/en
Forgery-proof security paper and aqueous or organic composition useful for the preparation of a forgery-proof paper. - Manufacture of paper. - Use of a paper medium as a forgery-proof security paper according to the invention which comprises applying to the surface and/or body thereof at least one compound having the formula: (1) < IMAGE > in which: R1 = H, OH, R2 = H, COOH, COH-COR, COOR, alkyl, where R is a substituted or unsubstituted straight, cyclic or aromatic hydrocarbon. - Application to security papers.
ES9002133A1990-08-071990-08-07Forgery-proof security paper and aqueous or organic composition useful for the preparation of a forgery-proof paper
Expired - Fee RelatedES2020731A6
(en)
Derivative compound of 1,3- or 1,4-bis(hexafluoroisopropyl) benzene, or 2,2-bisphenylhexafluoropropane, ink-repellent agent containing such derivative compound, head for ink jet recording treated with such ink-repellent agent and ink jet recording device equipped with such head