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Inventor: Guenther; Dieter
Address: Kelkheim, DE
No. of patents: 6
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| 5025097 |
4-chlorooxazole derivatives and processes for their preparation and use |
June 18, 1991 |
| The invention relates to 4-chlorooxazole derivatives of the general formula I ##STR1## which carry an unsaturated group in the 2- or 5-position, e.g., the --CH.dbd.CH-- or --CH.dbd.CH--CH.dbd.CH-- group.In the formulaR.sub.1 is phenyl, which is optionally substituted in one or more p |
| 4892799 |
4-chlorooxazole derivatives and processes for their preparation and use |
January 9, 1990 |
| The invention relates to 4-chlorooxazole derivatives of the general formula I ##STR1## which carry an unsaturated group in the 2- or 5-position, e.g., the --CH.dbd.CH-- or --CH.dbd.CH--CH.dbd.CH-- group.In the formulaR.sub.1 is phenyl, which is optionally substituted in one or more p |
| 4869983 |
Sulfonyl-containing styrene derivatives and their use in electrophotographic processes |
September 26, 1989 |
| Method and composition for a sulfonyl-containing styrene derivative of the general formula ##STR1## in which R.sub.1 and R.sub.2 are identical or different and denote hydrogen, optionally halogen-, hydroxyl-, cyano- or (C.sub.1 -C.sub.4 -alkoxy mono- or poly-substituted (C.sub.1 |
| 4725520 |
Electrophotographic recording material |
February 16, 1988 |
| An electrophotographic recording material comprising an electrically conducting layer support, an optional insulating intermediate layer, a photoconductive layer comprising at least one dyestuff as charge carrier-generating compound, and a layer containing a binder and photoconductor |
| 4709026 |
Ketosultams |
November 24, 1987 |
| Method and composition for a ketosultam of the general formula ##STR1## in which R.sub.1 and R.sub.2 are identical or different and each denote hydrogen, (C.sub.1 to C.sub.8)-alkyl, which is optionally substituted by one or several halogen atoms, hydroxy groups, cyano groups or (C.su |
| 4666812 |
Electrophotographic material with pyrimido-pyridobenzimidazole compound |
May 19, 1987 |
| The photoconductor of an electrophotographic recording material comprising an electrically conductive support, an optional insulating interlayer, and a photoconductive single layer containing a binder, a dye or pigment sensitizer and a pyrimido[5',4':5,6]pyrido[1,2-a]benzimidazole charge |
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