Egon Grundemann

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0-1199 Berlin, DE

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Patents Grantslast 30 patents

Information Patent Grant
Sulfobetaine-substituted .alpha.-sulfonylcarboxylic acids from dial...
- Patent number 5,101,047
- Issue date Mar 31, 1992
- Detlef Ballschuh
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
3-chloromethylsulfonylmethyl-4-sulfomethyl-pyrrolidinium-betaines a...
- Patent number 5,101,046
- Issue date Mar 31, 1992
- Detlef Ballschuh
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
3-methylsulfonylmethyl-4-sulfomethyl-pyrrolidinium-betaines and pro...
- Patent number 5,099,043
- Issue date Mar 24, 1992
- Detlef Ballschuh
- C07 - ORGANIC CHEMISTRY