Inventor

Michael Dittgen

Inventor

Apolda, DE

Overview

19→

Patents

1997–2017

Patent span

Human necessities

Primary field (CPC A)

Patents· 19 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

A61Kprimary

A61KPreparations for medical, dental or toiletry purposes53%

A61PSpecific therapeutic activity of chemical compounds or medicinal preparations25%

A61QSpecific use of cosmetics or similar toiletry preparations6%

A61FFilters implantable into blood vessels3%

A61LMethods or apparatus for sterilising materials or objects in general3%

A61MDevices for introducing media into, or onto, the body3%

B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form3%

B82YSpecific uses or applications of nanostructures3%

Y10TTechnical subjects covered by former us classification3%

PatentTitleYear

9,763,960'Wafer comprising steroid hormones'2017 9,095,691'UV stable transdermal therapeutic plaster with a UV absorbing self-adhesive layer separated from the drug matrix'2015 9,005,653'Transdermal delivery of hormones with low concentration of penetration enhancers'2015 8,668,925'Transdermal delivery of hormones without the need of penetration enhancers'2014 8,657,986'Polyurethane plaster for the transdermal application of active substances, and method for the production thereof'2014 8,486,443'UV stable transdermal therapeutic plaster with a UV absorbing adhesive layer separated from the drug matrix'2013 6,977,083'Bioadhesive tablet containing testosterone/testosterone ester mixtures and method for producing a predetermined testosterone time-release profile with same'2005 6,884,793'Combination preparation for contraception based on natural estrogens'2005 6,303,137'Injectable implant'2001 6,290,931'Homogeneous preformulations containing high concentrations of steroids, for producing low-dose solid and semi-solid pharmaceutical preparations'2001 6,238,284'Transdermal compositions with enhanced skin penetration properties'2001 6,225,299'Hormonal agent for skin treatment'2001 6,214,377'Melatonin for the production of a peroral pulsatile form of medication'2001 6,133,251'Combination compound for contraception based on natural estrogen'2000 6,117,450'Method of making a perorally administered solid drug with controlled effective ingredient delivery'2000 6,063,404'Bioadhesive tablet'2000 5,910,493'Hormonal agent for skin treatment'1999 5,855,905'Compound preparation for the treatment of hypogonadal men and men with hypophyseal diseases'1999 5,614,213'Use of estriol for treatment of climacteric osteoporosis'1997

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1997–2017Based in Apolda, DE· patent location history

1999–2005Patents assigned to JENAPHARM GMBH (12)· patent assignee history

2013–2015Patents assigned to BAYER IP GMBH (4)· patent assignee history

2013–2017Patents assigned to DITTGEN MICHAEL (4)· patent assignee history

2013–2014Patents assigned to LANGGUTH THOMAS (2)· patent assignee history

2013–2014Patents assigned to SCHENK DIRK (2)· patent assignee history

2015Based in Apola, DE· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
JENAPHARM GMBH	12	1999–2005
BAYER IP GMBH	4	2013–2015
DITTGEN MICHAELself	4	2013–2017
LANGGUTH THOMAS	2	2013–2014
SCHENK DIRK	2	2013–2014

Locations

Location	Patents	Span
Apolda, DE	18	1997–2017
Apola, DE	1	2015