Inventor

DOERR MARVIN L

US6 patents

⚠️ This page may combine multiple inventors who share the name “DOERR MARVIN L”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

CELANESE CORP

3 patents

US4620032AOct 28, 1986

Depolymerization of condensation polymers involving a pre-molecular weight reduction step

CELANESE CORP67 citations94

US4578510AMar 25, 1986

Process for minimizing formation of low molecular weight oligomers during hydrolytic depolymerization of condensation polymers

CELANESE CORP31 citations90

US4554328ANov 19, 1985

Modified PET polymers and copolymers suitable for extrusion blow molding

CELANESE CORP25 citations78

HOECHST CELANESE CORP

2 patents

US5340909AAug 23, 1994

Poly(1,3-propylene terephthalate)

HOECHST CELANESE CORP146 citations95

US5158651AOct 27, 1992

Process of centrifugally removing inorganic compounds from polyester glycol recovery bottoms

HOECHST CELANESE CORP8 citations71

CELANESE FIBERS INC

1 patent

US4824930AApr 25, 1989

Polymerization process for the preparation of poly(butylene terephthalate)

CELANESE FIBERS INC6 citations60