Inventor

SYCHRA MARCEL

AT4 patents

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

CHEMIE LINZ GMBH

2 patents

US5164476ANov 17, 1992

Soluble and/or fusible polyimides and polyamidoimides

CHEMIE LINZ GMBH1 citations49

US5378799AJan 3, 1995

Heat-stable polyimides and polyamide-imides with modified benzhydrol structural elements and their preparation

CHEMIE LINZ GMBH0 citations48

KREMS CHEMIE AG

1 patent

US5759259AJun 2, 1998

Air entraining agent for concrete and mortar mixtures

KREMS CHEMIE AG13 citations61

KREMS CHEMIS AG

1 patent

US6380299B1Apr 30, 2002

Stable aqueous dispersions for sizing paper

KREMS CHEMIS AG6 citations53