Sergio Nacht has been granted 16 US patents while listed as an inventor at Advanced Poymer Systems . The first was granted in 1985 and the most recent in July 2024. Sergio Nacht ranks #284,196 of 4,157,543 US inventors in our database (top 6.8%). Patent records list Sergio Nacht in Weston, CT, US.
Patents per Year Patents granted per year, 1985 to 2024 Bar chart with a peak of 3 patents in 1998. peak 3 1985: 2 patents 1985 1986: 1 patents 1986 1988: 1 patents 1988 1989: 2 patents 1989 1991: 1 patents 1991 1995: 1 patents 1995 1998: 3 patents 1998 1999: 3 patents 1999 2014: 1 patents 2014 2024: 1 patents 2024
Issued Patents All Time
Showing 1–16 of 16 patents
Patent # Title Co-Inventors Date Approx Value ⓘ
12029811
Formulation and method for the treatment of androgenic alopecia
—
2024-07-09
8877166
SPF liquid cleansing compositions
Clay J. Cockerell , Catherine Sitbon , Jack Frautschi
2014-11-04
5955109
Methods and compositions for topical delivery of retinoic acid
Richard Won , Martin Katz , Chung-Heng Cheng
1999-09-21
$2,036,000
5879716
Methods and compositions for topical delivery of benzoyl peroxide
Martin Katz , Chung-Heng Cheng
1999-03-09
$1,621,000
5871722
Ionic beads useful for controlled release and adsorption
Richard Won , Martin Katz , Tai C. Cheng , Christine Liau , Robert Eury +1 more
1999-02-16
$1,693,000
5851538
Retinoid formulations in porous microspheres for reduced irritation and enhanced stability
Michael Froix , Masha Pukshansky
1998-12-22
$1,743,000
5849327
Delivery of drugs to the lower gastrointestinal tract
David L. Berliner
1998-12-15
$1,625,000
5840293
Ionic beads for controlled release and adsorption
Richard Won , Martin Katz , Tai C. Cheng , Christine Liau , Robert Eury +1 more
1998-11-24
$2,093,000
5458890
Methods and compositions for flavoring orally-delivered products
John H. Williford , Martin Katz , Chung-Heng Cheng , Rajesh A. Patel , Brian J. Picard
1995-10-17
$1,588,000
5028435
System and method for transdermal drug delivery
Martin Katz , Jorge Heller
1991-07-02
$925,000
4855144
Synthetic melanin aggregates
Helen Leong , Martin Katz , Ann Delk , David L. Berliner
1989-08-08
$852,000
4806360
Synthetic melanin aggregates
Helen Leong , Martin Katz , Anne Delk , David L. Berliner
1989-02-21
$949,000
4758432
Topical treatment of skin inflammatory disorders
David Yeung , Eugene H. Gans
1988-07-19
4623667
Topical treatment of skin inflammatory disorders
Eugene H. Gans , David Yeung
1986-11-18
4530828
Nail conditioner
Walter P. Smith
1985-07-23
$2,443,000
4520133
Monohydroxy-benzoyl peroxide and compositions for treating acne
Allen I. Dines , David Yeung
1985-05-28
$3,344,000