IDiyas

For the Inventor, By the Inventor

Darmstadt, Germany

Hans-Rudi Lenz

USPTO Granted Patents = 6

Average Co-Inventor Count = 4.4

ph-index = 5

Forward Citations = 80(Granted Patents)


Location History:

  • Darmstadt, DE (1988 - 1990)
  • Darmstadt, all ofr, DE (1990)

Company Filing History:

goldMedal5 out of 433 
 
Wella Aktiengesellschaft
 patents
silverMedal1 out of 2 
 
Wella Aktiengsellschaft
 patents

Years Active: 1988-1990

Loading Chart...
6 patents (USPTO):Explore Patents
1. 4954619 - O-benzyl-N-hydroxyalkyl derivatives of chitosan and nail polish (1990-09-04),
2. 4931271 - Cosmetic compostions based upon N-hydroxybutyl-chitosans, (1990-06-05),
3. 4923977 - Cosmetic composition based upon N-hydroxypropylisopropylether chitosans (1990-05-08),
4. 4845204 - Cosmetic compositions on the basis of alkyl-hydroxypropyl-substituted (1989-07-04),
5. 4835266 - Cosmetic compositions based upon n-hydroxypropyl-chitosans, new (1989-05-30),
6. 4780310 - Cosmetic compositions based upon N-hydroxypropyl-chitosans, new (1988-10-25),
This text is generated by artificial intelligence and may not be accurate.
Please report any incorrect information to support@idiyas.com
Loading…