The invention relates to new piperidino-dihydrothienopyrimidines of formula1, as well as pharmacologically acceptable salts thereof,whereinXis SO or SO2, but preferably SO, and wherein R1, R2, R3and R4may have the meanings given in claim 1, as well as pharmaceutical compositions which contain these compounds.These new piperidino-dihydrothienopyrimidines are suitable for the treatment of respiratory or gastrointestinal complaints or diseases, inflammatory diseases of the joints, skin or eyes, diseases of the peripheral or central nervous system or cancers.本發明係關於新穎式1哌啶基-二氫噻吩并嘧啶,以及其藥理學上可接受之鹽,其中X為SO或SO2,但較佳為SO,且其中R1,R2,R3及R4可具有請求項1中所予之意義,以及含有此等化合物之醫藥組合物。此等新穎哌啶基-二氫噻吩并嘧啶係適用於治療呼吸道或胃腸病苦或疾病,關節、皮膚或眼睛之炎性疾病,末梢或中樞神經系統之疾病或癌症。