Inventor
SMITH BRAD L
US21 patents
⚠️ This page may combine multiple inventors who share the name “SMITH BRAD L”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HOECHST CELANESE CORP
18 patentsUS5144068ASep 1, 1992
Methanol carbonylation process
HOECHST CELANESE CORP521 citations98
US5026908AJun 25, 1991
Methanol carbonylation process
HOECHST CELANESE CORP458 citations98
US5001259AMar 19, 1991
Methanol carbonylation process
HOECHST CELANESE CORP517 citations98
US4873378AOct 10, 1989
Process for making 1,3-diols from epoxides
HOECHST CELANESE CORP55 citations95
US5264528ANov 23, 1993
Process for the preparation of 4-hydroxystyrene polymers from 4-acetoxystyrene polymers
HOECHST CELANESE CORP15 citations74
US5414107AMay 9, 1995
Process for recycling polyethylene terephthalate process residues containing alkali metal organic salts
HOECHST CELANESE CORP9 citations73
US4935554AJun 19, 1990
Process for making 1,3-diols from epoxides
HOECHST CELANESE CORP11 citations72
US5744503AApr 28, 1998
Recycling polyester and recovering glycols
HOECHST CELANESE CORP13 citations70
US4968834ANov 6, 1990
Recovery of acrylic acid and/or ethyl acrylate from black acid
HOECHST CELANESE CORP7 citations68
US5247124ASep 21, 1993
Process for the preparation of substituted styrenes
HOECHST CELANESE CORP6 citations62
US5241098AAug 31, 1993
Method for preparing a salt of 4-hydroxystyrene and for preparing 4-tertiary-butoxycarbonyloxystyrene therefrom
HOECHST CELANESE CORP2 citations62
US5194672AMar 16, 1993
Process for the preparation of substituted styrenes
HOECHST CELANESE CORP3 citations62
US5502239AMar 26, 1996
Process for recovering dimethyl terephthalate
HOECHST CELANESE CORP2 citations59
US5414106AMay 9, 1995
Process for recovering dimethyl terephthalate
HOECHST CELANESE CORP2 citations59
US5256809AOct 26, 1993
Method for preparing a salt of 4-hydroxystyrene and for preparing 4-tertiary-butoxycarbonyloxystyrene therefrom
HOECHST CELANESE CORP4 citations58
US5210278AMay 11, 1993
Process for the preparation of bisarylalkyl ethers
HOECHST CELANESE CORP0 citations52
US5107034AApr 21, 1992
Method for producing 4-(2'-methoxyethyl)phenol
HOECHST CELANESE CORP0 citations52
US5304690AApr 19, 1994
Process for the preparation of salts of 4-hydroxystyrene
HOECHST CELANESE CORP0 citations47