Alkaloida Vegyeszeti Gyar

Monsanto Europe S.a./n.v.

Alkaloida Vegyeszeti Gyar Rt.

Aklaloida Vegyeszeti Gyar Rt.

Imre Gulyas

Janos Repasi

Vilmos Galamb

Laszlo Litkei

Edit Fehervari

Jozsef Neu

Laszlone Pethe

Fulgencio Powell Moreno

Agota Repasine Veres

Laszlone Roka

Jozsef Vigh

Istvan Gyoker

Istvanne Koczka

Tibor Timar

Zoltan Salamon

Miklos I Zsuga

Kalman Zsupan

Jozsef Nagy

Magdolna Bene

Judit Barkanyi

Sandor Ondi

Agota Repasi

Jan Os Repasi

Marta Brendel Nee Hajnoczki

Istvan Csorvassy

Gabor Somogyi

E Biro Nee Czapary

Istvan Fodor

Tibor Kelen

Istavanne Koczka

Istvan Szentkiralyi

A solid, non-hygroscopic salt of the Formula (I) ##STR1## wherein R.sup.1 is hydroxy or alkyl; A is C.sub.1 to C.sub.4 alkyl-amino or an amino-alkyl group containing a primary or a secondary amino group; and B is ammonium ion or an alkyl-substituted ammonium ion, which is substantially free of a diammonium salt ##STR2##

Non-hygroscopic monoammonium salts of phosphonic acids or phosphinic

A solid, non-hygroscopic salt of the Formula (I) ##STR1## wherein R.sup.1 is dydroxy or alkyl;

Non-hygroscopic monoammonium salts of phosphonic and phosphinic acids

Controlled release pharmaceutical preparations are prepared by homogenizing an organic or inorganic pharmaceutical active substance such as an opium alkaloid or its salts, an opium antagonist or its salts, an aliphatic or aromatic amine derivative or its salts, a phenolate type medicament, or Zn, Fe, Mg, K, Na salts, a fatty acid or its salt necessary to achieve a continuous phase transfer and an ethylene vinyl acetate copolymer and formulating the resulting homogeneous mixture by

Controlled release pharmaceutical preparation and process for preparing

A solid, non-hygroscopic salt of the Formula (I) ##STR1## wherein R.sup.1 is hydroxy or alkyl;

N-phosphonomethylglycine is prepared from glycine and parsformaldehyde to obtain an intermediate which is reacted with dialkylphosphite to obtain an ester of the desired compound which is then hydrolyzed.

Process for the preparation of N-phosphonomethyl-glycine

Growing community of inventors

Tiszavasvari, Hungary

Imre Gulyas