Abstract: Pyridazine derivatives of the formula (I) act as phosphodiesterase IV inhibitors and can be employed for the treatment of osteoporosis, tumours, cachexia, atherosclerosis, rheumatoid arthritis, multiple sclerosis, diabetes mellitus, inflammatory processes, allergies, asthma, autoimmune diseases, myocardial diseases and AIDS.

Abstract: Imidazole compounds of the formula I in which R1 and R2, independently of one another, each denote A1, OA1, SA1 or Hal, A1 denotes H, A, alkenyl, cycloalkyl or alkylenecycloalkyl, A denotes alkyl having 1-10 carbon atoms, Hal denotes F, Cl, Br or I, and X denotes O, S, SO or SO2, and their physiologically acceptable salts and/or solvates, as phosphodiesterase VII inhibitors, and their use for the preparation of a medicament.

Abstract: The invention relates to the use of type 4 phosphodiesterase inhibitors to treat myocardial diseases.

Abstract: Pyrrolopyrimidine derivatives of the formula I in which R3, R4, R5, R6 and X are as defined in claim 1, act as phosphodiesterase VII inhibitors and can be employed for the treatment of osteoporosis, tumours, cachexia, atherosclerosis, rheumatoid arthritis, multiple sclerosis, diabetes mellitus, inflammatory processes, allergies, asthma, autoimmune diseases, myocardial diseases and AIDS.

Abstract: Hydrazono-malonitrile derivatives of the formula (I) in which R1, R2, R3, R3′ and R4 have the meanings given in claim 1 act as phosphodiesterase IV inhibitors and can be employed for the treatment of osteoporosis, tumours, cachexia, atherosclerosis, rheumatoid arthritis, multiple sclerosis, diabetes mellitus, inflammatory processes, allergies, asthma, autoimmune diseases, myocardial diseases and AIDS.

Abstract: The invention relates to the use of type 4 phosphodiesterase inhibitors (PDE IV inhibitors) to treat diseases and to combinations of PDE IV inhibitors with other drugs.

Abstract: Pyrimidine derivatives of formula (I) and 1

Abstract: Use of phosphodiesterase IV inhibitors and/or physiologically acceptable salts thereof for the preparation of a medicament for the treatment of osteoporosis, tumours, tumour metastases, atherosclerosis, rheumatoid arthritis, multiple sclerosis, diabetes mellitus, ulcerative collitis and AIDS.

Abstract: Triazine derivatives of the formula (I) and physiologically acceptable salts and solvates thereof, in which R1, R2, A and R5 are as defined in claim 1, exhibit phosphodiesterase IV inhibition and can be employed for the treatment of allergic diseases, asthma, chronic bronchitis, atopic dermatitis, psoriasis and other skin diseases, inflammatory diseases, autoimmune diseases, such as, for example, rheumatoid arthritis, multiple sclerosis, Crohn's disease, diabetes mellitus or ulcerative colitis, osteoporosis, transplant rejection reactions, cachexia, tumour growth or tumour metastases, sepsis, memory disorders, atherosclerosis and AIDS, furthermore for inhibiting the formation of TNF&agr;.

Abstract: Thienopyrimidines of the formula (I) and their physiologically acceptable salts, in which R1, R2 and X are as defined in claim 1, exhibit phosphodiesterase V inhibition and can be employed for the treatment of illnesses of the cardiovascular system and for the treatment and/or therapy of impotence.

Abstract: Pyrazolo[4,3-d]pyrimidines of the formula I and their physiologically acceptable salts, in which R1, R2, R3, R4 and X have the meanings indicated in Claim 1, exhibit phosphodiesterase V inhibition and can be employed for the treatment of disorders of the cardiovascular system and for the treatment and/or therapy of potency disorders.

Abstract: Imidazole derivatives of the formula I 1

Abstract: Compounds of the formula I in which R1 and R2, independently of one another, each denote H, A, OA, SA or HaI, R3 denotes H or A, R4 denotes A or NH2, R5 denotes H, NH2, NHA or NA2, A denotes alkyl having 1 to 10 carbon atoms, alkenyl, cycloalkyl or alkylenecycloalkyl, Hal denotes F, Cl, Br or I, and their physiologically acceptable salts and/or solvates, as phosphodiesterase VII inhibitors.

Abstract: Pharmaceutical preparation comprising at least one phosphodiesterase V inhibitor and at least one nitrate for the preparation of a medicament for the treatment of angina, high blood pressure, pulmonary hypertension, congestive heart failure (CHF), chronic obstructive pulmonary disease (COPD), cor pulmonale, dextrocardiac insufficiency, atherosclerosis, conditions of reduced patency of the heart vessels, peripheral vascular diseases, strokes, bronchitis, allergic asthma, chronic asthma, allergic rhinitis, glaucoma, irritable bowel syndrome, tumours, renal insufficiency and liver cirrhosis.

Abstract: The invention relates to a pharmaceutical preparation containing at least one compound of formula (I) wherein R1, R2, R3, R4, n and X have the same meaning as cited in claim 1, and the physiologically acceptable salts thereof and/or solvates and a) at least one antithrombotic or b) at least one calcium antagonist or c) at least one prostaglandin or prostaglandin derivative for producing a medicament for treating angina, high blood pressure, pulmonary hypertension, congestive heart failure (CHF), chromic obstructive pulmonary disease (COPD), pulmonary heart disease, right ventricular failure, astheriosclerosis, conditions of reduced cardiovascular patency, peripheral vascular illnesses, cerebral apoplexy, bronchitis, allergic asthma, chronic asthma, allergic rhinitis, glaucoma, irritable bowel syndrome, tumours, kidney failure, cirrhosis of the liver and for treating female sexual problems.

Abstract: This invention relates to compounds of the formula (I) in which R1, R2, R3, X and Q are as defined above and their use as PDE IV inhibitors.

Abstract: The invention relates to a pharmaceutical preparation containing at least one compound of formula (I), wherein R1, R2, R3, R4 and X have the meanings as cited in claim No. 1, and to their physiologically safe salts and/or solvates, and containing; a) at least one antithrombotic agent or; b) at least one calcium antagonist or; c) at least on prostaglandin or prostaglandin derivative for producing a medicament used for treating angina, hypertension, pulmonary hypertension, congestive heart failure (CHF), chronic obstructive pulmonary disease (COPD), cor pulmonale, right ventricular failure, atherosclerosis, conditions of reduced patency of the heart vessels, peripheral vascular diseases, cerebrovascular accident, bronchitis, allergic asthma, chronic asthma, allergic rhinitis, glaucoma, irritable bowel syndrome, tumors, kidney failure, cirrhosis of the liver, and for treating female sexual dysfunctions.

Abstract: The invention relates to compounds of the formula (I) in which R1, E2 and X are as defined above.

Abstract: Pharmaceutical preparation comprising at least one phosphodiesterase V inhibitor have, and/or physiologically acceptable salts and/or solvates thereof and at least one endothelin receptor antagonist for the preparation of a medicament for the treatment of angina, high blood pressure, high pulmonary pressure, congestive heart failure (CHF), chronic obstructive pulmonary disease (COPD), cor pulmonale, dextrocardiac insufficiency, atherosclerosis, conditions of reduced patency of the heart vessels, peripheral vascular diseases, strokes, bronchitis, allergic asthma, chronic asthma, allergic rhinitis, glaucoma, irritable bowel syndrome, tumours, renal insufficiency, liver cirrhosis, erectile dysfunction and for the treatment of female sexual disorders.

Abstract: The invention relates to a pharmaceutical formulation containing at least one compound of formula (1) wherein R1, R2, and X have the same meaning as cited in claim 1, and the physiologically acceptable salts thereof and/or solvates and a) at least one antithrombotic or b) at least one calcium antagonist or c) at least one prostaglandin or prostaglandin derivative for producing a medicament for treating angina, high blood pressure, pulmonary hypertension, congestive heart failure (CHF), chronic obstructive pulmonary disease (COPD), pulmonary heart disease, right ventricular failure, atheriosclerosis, permeability conditions of reduced cardiovascular patency, peripheral vascular illnesses, cerebral apoplexy, bronchitis, allergic asthma, chronic asthma, allergic rhinitis, glaucoma, irritable bowel syndrome, tumours, kidney failure, cirrhosis of the liver and for treating female sexual problems.