logo

For the Inventor, By the Inventor

Bernex, Switzerland

Wolfgang K Giersch

This inventor holds 27 USPTO granted patents, primarily in Perfume Chemistry. Top assignee: Firmenich Sa. Active years: 1977-2006.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Wolfgang K Giersch. Retrieved from https://idiyas.com/inventor/wolfgang-k-giersch

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 27

% Patents Active = 96.3

Average Co-Inventor Count = 1.9

ph-index = 5

Forward Citations = 71(Granted Patents)


Location History:

  • Bernex/Geneva, CH (1979)
  • Bernex, CH (1977 - 2006)

Company Filing History:

goldMedal27 out of 857 
 
Firmenich Sa
 patents

Years Active: 1977-2006

Loading Chart...
Areas of Expertise:
Lactones
Unsaturated Ketones
Aldehydes
Esters
Bicyclic Compounds
Cyclic Diesters
Oxygenated Compounds
Flavoring Ingredients
Perfuming Agents
Spiranic Compounds
Aliphatic Alcohols
Macrocyclic Compounds
27 patents (USPTO):Explore Patents
1. 7112699 - Process for the direct conversion of lactones into unsaturated ketones or aldehydes (2006-09-26),
2. 6509312 - Aliphatic esters and their utilization as perfuming ingredients (2003-01-21),
3. 6410504 - Nitriles and aldehydes derived from 3-isopropenyl-1,2-dimethyl-1-cyclopentanol and their use in perfumery (2002-06-25),
4. 6180814 - Nitriles and aldehydes derived from 3-isopropenyl-1,2-dimethyl-1-cyclopentanol and their use in perfumery (2001-01-30),
5. 6177400 - Unsaturated ketones and their use in perfumery (2001-01-23),
6. 6169212 - Bicyclic ketones and their use in the field of perfumery (2001-01-02),
7. 6022531 - Use of 2,5,6-trimethyl-2-heptanol in perfumery and as flavoring (2000-02-08),
8. 5614486 - Cyclic diesters and their use as perfuming ingredients (1997-03-25),
9. 5166412 - Esters and their use in perfumery (1992-11-24),
10. 5151410 - Use of a spiranic compound as a perfuming ingredient (1992-09-29),
11. 5057239 - Use of a spiranic lactone as fragrance ingredient (1991-10-15),
12. 4990495 - Oxygen containing macrocyclic compounds, a process for their preparation (1991-02-05),
13. 4929599 - Perfuming ingredient (1990-05-29),
14. 4818747 - Bicyclic aliphatic alcohols and their utilization as perfuming (1989-04-04),
15. 4711875 - Composition essentially consisting of (1987-12-08),

Title: The Innovative Contributions of Wolfgang K. Giersch

Introduction: Wolfgang K. Giersch, located in Bernex, Switzerland, is a notable figure in the realm of chemical innovation. With 27 patents to his name, Giersch's work significantly advances the fields of chemistry and material science, showcasing his dedication to innovation.

Latest Patents: Among his most recent inventions is a process for the direct conversion of lactones into unsaturated ketones or aldehydes. This invention utilizes pyrolysis of lactones in the presence of reducing agents such as molecular hydrogen or carboxylic acids, along with a catalyst comprising at least one metal selected from Y, Ti, Cd, Mn, Zn, Sc, and Zr. This process holds promise for developing new chemical syntheses and applications.

Additionally, Giersch has developed technologies involving aliphatic esters and their utilization as perfuming ingredients, further highlighting his versatility and expertise in chemical applications.

Career Highlights: Giersch has carved out a distinguished career within Firmenich SA, a leading global fragrance and flavor company. His role there has allowed him to push forward innovative research and development in the field of perfumery and flavoring, utilizing his patent portfolio to enhance product offerings and create unique scents.

Collaborations: Throughout his career, Giersch has collaborated with esteemed colleagues such as Gunther Ohloff and Karl-Heinrich Schulte-Elte. These partnerships have fostered an environment of shared knowledge and ideas, leading to the creation of groundbreaking technologies and products.

Conclusion: Wolfgang K. Giersch stands out as an influential inventor whose contributions have had a lasting impact on the fields of chemistry and perfumery. With 27 patents and a continued focus on innovative processes, Giersch's work not only furthers scientific understanding but also enhances practical applications in everyday products. His collaborations with leading figures exemplify the power of teamwork in achieving remarkable advancements in technology.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
Loading…