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For the Inventor, By the Inventor

Bergisch Gladbach, Germany

Hans Hlschlager

This inventor holds 18 USPTO granted patents, primarily in Photographic Materials. Top assignees: Agfa-Gevaert Ag, Agfa-Gevaert Aktiengesellshcaft, Bayer Aktiengesellschaft. Active years: 1983-1995.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hans Hlschlager. Retrieved from https://idiyas.com/inventor/hans-hlschlager

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

USPTO Granted Patents = 18

% Patents Active = 100.0

Average Co-Inventor Count = 3.4

ph-index = 6

Forward Citations = 109(Granted Patents)


Company Filing History:

goldMedal15 out of 1,473 
 
Agfa-Gevaert Ag
 patents
silverMedal2 out of 21 
 
Agfa-Gevaert Aktiengesellshcaft
 patents
bronzeMedal1 out of 12,268 
 
Bayer Aktiengesellschaft
 patents

Years Active: 1983-1995

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Areas of Expertise:
Silver Halide Emulsions
Photographic Recording Material
Color Photographic Material
Heat Development Process
Stabilization Techniques
Dyed Layer
Color Images
Hardeners for Proteins
Water-Soluble Dyes
Photographic Processes
Color Couplers
18 patents (USPTO):Explore Patents
1. 5427904 - Process for the preparation of silver halide emulsions (1995-06-27),
2. 5407789 - Photographic recording material (1995-04-18),
3. 5374505 - Color photographic recording material for the production of color images (1994-12-20),
4. 5158864 - Color photographic material (1992-10-27),
5. 5089381 - Silver halide recording material (1992-02-18),
6. 5006457 - Photographic recording material (1991-04-09),
7. 5006440 - Process for stabilizing photographic silver images (1991-04-09),
8. 4985351 - Photographic recording material (1991-01-15),
9. 4906557 - Photographic recording material and process for the production of (1990-03-06),
10. 4894324 - Hardeners for proteins, a layer of binder hardened therewith and a (1990-01-16),
11. 4840871 - Color photographic heat development process (1989-06-20),
12. 4833070 - Color photographic recording material containing a yellow DIR coupler (1989-05-23),
13. 4760015 - Stabilization of a photographically produced silver image using an (1988-07-26),
14. 4689286 - Color photographic recording material developable by heat treatment (1987-08-25),
15. 4543308 - Photographic recording process (1985-09-24),

Title: The Innovative Contributions of Hans Hlschlager

Introduction

Hans Hlschlager is a notable inventor based in Bergisch Gladbach, Germany. He has made significant contributions to the field of photographic technology, holding a total of 18 patents. His work has advanced the understanding and application of silver halide emulsions, which are crucial in photographic processes.

Latest Patents

Among his latest patents is a process for the preparation of silver halide emulsions. This innovative method improves the sensitivity and grain ratio of emulsions containing silver iodide. Another significant patent involves a photographic recording material that features a light-sensitive silver halide emulsion layer on a transparent support. This material is characterized by the inclusion of specific compounds that enhance its performance.

Career Highlights

Hlschlager has had a distinguished career, working with prominent companies such as Agfa-Gevaert AG and Agfa-Gevaert Aktiengesellschaft. His expertise in photographic materials has positioned him as a key figure in the industry, contributing to advancements that have shaped modern photography.

Collaborations

Throughout his career, Hlschlager has collaborated with notable colleagues, including Heinrich Odenwalder and Reinhart Matejec. These partnerships have fostered innovation and have been instrumental in the development of new technologies in the field.

Conclusion

Hans Hlschlager's contributions to photographic technology through his patents and collaborations have left a lasting impact on the industry. His innovative spirit continues to inspire advancements in photographic materials and processes.

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]
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