Michael Dittgen
19Patents
8h-index
49Co-inventors
72Inventor score
Filing activity: Aug 31, 1994 → Dec 27, 2013
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5855905A | Compound preparation for the treatment of hypogonadal men and men with hypophyseal diseases | Human Necessities | 85 | Expired |
| US6117450A | Method of making a perorally administered solid drug with controlled effective ingredient delivery | Human Necessities | 69 | Expired |
| US6133251A | Combination compound for contraception based on natural estrogen | Human Necessities | 60 | Expired |
| US6238284A | Transdermal compositions with enhanced skin penetration properties | Human Necessities | 52 | Expired |
| US6977083B1 | Bioadhesive tablet containing testosterone/testosterone ester mixtures and method for producing a predetermined testosterone time-release profile with same | Human Necessities | 43 | Expired |
| US6303137A | Injectable implant | Human Necessities | 29 | Expired |
| US6063404A | Bioadhesive tablet | Human Necessities | 13 | Expired |
| US6225299A | Hormonal agent for skin treatment | Human Necessities | 12 | Expired |
| US5910493A | Hormonal agent for skin treatment | Human Necessities | 8 | Expired |
| US8486443B2 | UV stable transdermal therapeutic plaster with a UV absorbing adhesive layer separated from the drug matrix | Human Necessities | 8 | Active |
| US6214377A | Melatonin for the production of a peroral pulsatile form of medication | Human Necessities | 8 | Expired |
| US9763960B2 | Wafer comprising steroid hormones | Human Necessities | 4 | Active |
| US6884793B2 | Combination preparation for contraception based on natural estrogens | Human Necessities | 4 | Expired |
| US8668925B2 | Transdermal delivery of hormones without the need of penetration enhancers | Human Necessities | 2 | Active |
| US6290931A | Homogeneous preformulations containing high concentrations of steroids, for producing low-dose solid and semi-solid pharmaceutical preparations | Human Necessities | 1 | Expired |
| US8657986B2 | Polyurethane plaster for the transdermal application of active substances, and method for the production thereof | Emerging Cross-Sectional Technologies | 1 | Active |
| US5614213A | Use of estriol for treatment of climacteric osteoporosis | Human Necessities | 1 | Expired |
| US9095691B2 | UV stable transdermal therapeutic plaster with a UV absorbing self-adhesive layer separated from the drug matrix | Human Necessities | 0 | Active |
| US9005653B2 | Transdermal delivery of hormones with low concentration of penetration enhancers | Human Necessities | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.