Inventor
ALBERT BERNHARD
DE38 patents
⚠️ This page may combine multiple inventors who share the name “ALBERT BERNHARD”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BASF AG
34 patentsUS5282894AFeb 1, 1994
Use of a liquid containing IR dyes as printing ink
BASF AG187 citations97
US5804447ASep 8, 1998
Use of compounds which absorb and/or fluoresce in the IR region as markers for liquids
BASF AG67 citations95
US5607762AMar 4, 1997
Ink-ribbons comprising IR-absorbing compounds
BASF AG70 citations94
US4739053AApr 19, 1988
2H-v-triazolo[4-5-d]pyrimidines
BASF AG27 citations93
US5998211ADec 7, 1999
Use of compounds which absorb and/or fluoresce in the IR region as markers for liquids
BASF AG36 citations92
US5410053AApr 25, 1995
Rhodamine derivatives
BASF AG28 citations92
US4946762AAug 7, 1990
Monosubstituted and disubstituted phthalocyanines
BASF AG26 citations92
US5512095AApr 30, 1996
Naphthalocyanines
BASF AG32 citations88
US6340745B1Jan 22, 2002
Phthalocyanine and use of phthalocyanine as a marking agent
BASF AG14 citations84
US4937338AJun 26, 1990
Pigments
BASF AG16 citations81
US5061596AOct 29, 1991
Silicon naphthalocyanines and thin radiation sensitive coating films containing same
BASF AG7 citations74
US5047312ASep 10, 1991
Silicon naphthalocyanines with unsaturated ligands and optical recording medium
BASF AG7 citations74
US5032495AJul 16, 1991
Tetraazaporphyrins and optical recording medium
BASF AG11 citations74
US4999026AMar 12, 1991
Transferring dyes for thermal printing: tri-cyano-vinyl aniline dyes
BASF AG8 citations74
US4675423AJun 23, 1987
Camphordithiolene complexes
BASF AG7 citations74
US5656752AAug 12, 1997
Preparation of naphthalocyanines
BASF AG12 citations73
US4966798AOct 30, 1990
Optical recording medium
BASF AG9 citations73
US4917989AApr 17, 1990
Optical recording medium which has a reflector layer containing a silicon-phthalocyanine derivative
BASF AG10 citations73
US4806664AFeb 21, 1989
Novel tetraphenyldithiolene complexes, asymmetrically substituted benzoins, and optical recording materials containing the novel complexes
BASF AG12 citations73
US5445672AAug 29, 1995
Laked tris- or tetracationic polymethine dyes
BASF AG9 citations72
US4851549AJul 25, 1989
Pigments
BASF AG8 citations72
US4785088ANov 15, 1988
Pigments and their preparation
BASF AG11 citations72
US5783694AJul 21, 1998
IR-absorbing phthalocyanines
BASF AG4 citations63
US5338848AAug 16, 1994
Indolizinetrimethine dyes
BASF AG6 citations63
US5221751AJun 22, 1993
Heterocyclic polymethine dyes with carbamate or amide groups
BASF AG3 citations62
US5169975ADec 8, 1992
Binary azulenesquaric acid dyes, their intermediates and optical recording medium
BASF AG2 citations62
US5122435AJun 16, 1992
Amido-containing azulene squaric acid dyes, intermediates therefor and optical recording medium
BASF AG6 citations62
US7132482B2Nov 7, 2006
Method for vulcanizing caoutchouc or latex by applying a mixture of sulfur and a complexing agent
BASF AG3 citations61
US5405968AApr 11, 1995
Polyketomethine dyes
BASF AG2 citations61
US5101032AMar 31, 1992
Cycloalkylidene dyes
BASF AG2 citations61
US5162045ANov 10, 1992
Transferring dyes for thermal printing
BASF AG0 citations52
US5064702ANov 12, 1991
Quinoxalinepentamethine dyes and optical recording medium containing same
BASF AG0 citations52
US4904566AFeb 27, 1990
Optical recording medium containing an azulenium dye
BASF AG1 citations51
US5235573AAug 10, 1993
Repositioning laser beams in information storage media
BASF AG0 citations48