logo

For the Inventor, By the Inventor

Reinach, Switzerland

Andreas Schmidt

This inventor holds 26 USPTO granted patents, primarily in Lubricant Additives. Top assignees: Ciba-Geigy Corporation, Lonza Inc., Ciba-Geigy Ag. Active years: 1976-1991.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Andreas Schmidt. Retrieved from https://idiyas.com/inventor/andreas-schmidt-wexbg583

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

Calculating rank
USPTO Granted Patents = 26

% Patents Active = 100.0

Average Co-Inventor Count = 1.8

ph-index = 8

Forward Citations = 147(Granted Patents)


Company Filing History:

goldMedal23 out of 6,858 
 
Ciba-Geigy Corporation
 patents
silverMedal2 out of 612 
 
Lonza Inc.
 patents
bronzeMedal1 out of 595 
 
Ciba-Geigy Ag
 patents

Years Active: 1976-1991

Loading Chart...
Areas of Expertise:
Chain-Lengthening Agents
Dithiophosphate Additives
Phenolic Antioxidants
Photoinitiators
Lubricant Stabilizers
Acetal Derivatives
Polymeric Additives
Hydroxyphenylated Compounds
Thioether-Containing Additives
Phenol Esters
Benzylated Hydrazines
Aromatic Sulfonyl Compounds
26 patents (USPTO):Explore Patents
1. 5026815 - Chain-lengthening agents for (1991-06-25),
2. 4950792 - Substituted p,p'-methylene-bis-anilines (1990-08-21),
3. 4333868 - Phosphite ester stabilizers (1982-06-08),
4. 4333841 - Dithiophosphate lubricant additives (1982-06-08),
5. 4263157 - Chlorinated derivatives of butyric acid as useful lubricant additives (1981-04-21),
6. 4251341 - Photoinitiators for UV-curable systems (1981-02-17),
7. 4248723 - Acetal derivatives as extreme pressure additives for lubricants (1981-02-03),
8. 4246198 - Hindered phenolic amides (1981-01-20),
9. 4243816 - Phenol-acetals (1981-01-06),
10. 4177213 - Process for benzylating ketones (1979-12-04),
11. 4164611 - Aromatic sulfonyl hydrazides and semicarbazides as chemical blowing (1979-08-14),
12. 4160794 - 1-Oxo-2,2-[dialkylphosphono(alkyl)alkyloxy]-1,2-diphenylethane (1979-07-10),
13. 4146531 - Diones and their use as polymer stabilizers (1979-03-27),
14. 4134879 - Thioether-containing phenolic antioxidant stabilized polymers (1979-01-16),
15. 4132702 - Phenol esters and amides and polymers stabilized therewith (1979-01-02),

Title: Innovator Spotlight: Andreas Schmidt

Introduction: Andreas Schmidt, a prolific inventor based in Reinach, Switzerland, has garnered an impressive portfolio of 26 patents throughout his career. His work primarily focuses on advancements in polymer technology, specifically in the field of polyurethane elastomers.

Latest Patents: Among his notable contributions, Schmidt has developed innovative chain-lengthening agents aimed at enhancing the properties of polyurethane. His latest patents include:

1. Chain-lengthening agents based on chlorinated 4,4'-methylenebisanilines for p-phenylene-methylenediisocyanate prepolymer, which are crucial for the fabrication of cast polyurethane elastomers.

2. Substituted p,p'-methylene-bis-anilines, introducing new methylenebis(metachloro)anilines that serve as effective chain-lengthening or cross-linking agents for polyurethanes.

Career Highlights: Andreas Schmidt has been associated with prominent companies such as Ciba-Geigy Corporation and Lonza Inc., where he made significant contributions to the development of innovative materials that have broad industrial applications.

Collaborations: Throughout his career, Schmidt has had the opportunity to work alongside esteemed colleagues such as Siegfried Rosenberger and Rudolf Kirchmayr. Their collaborative efforts have fostered a dynamic environment for innovation within the polymer industry.

Conclusion: Andreas Schmidt’s contributions to the field of polymer technology have had a lasting impact, with his 26 patents illustrating his commitment to innovation and excellence. His ongoing work continues to shape the future of materials science, particularly in the development of effective polyurethane solutions.

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…