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For the Inventor, By the Inventor

Karlskoga, Sweden

Nobel Kemi Ab


USPTO Granted Patents = 12

Forward Citations = 53

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15 inventors (with patents filed for the assignee):

goldMedal Jan-Olof Nyqvist (3 out of 5 patents)

silverMedal Leif Svensson (3 out of 8 patents)

bronzeMedal Per Sjoberg (3 out of 4 patents)

4.  Mats Olsson (2 out of 4 patents)

5.  Per Ericsson (2 out of 2 patents)

6.  Hermann Schmid (2 out of 5 patents)

7.  Sigurd Back (2 out of 2 patents)

8.  Anders Hafstrand (1 out of 4 patents)

9.  Lennart Johansson (1 out of 3 patents)

10.  Torsten Persson (1 out of 4 patents)

11.  Nils-Ingvar Olsson (1 out of 1 patent)

12.  Bertil Bergstrom (1 out of 1 patent)

13.  Herman Schmid (1 out of 2 patents)

14.  Boris Holm (1 out of 4 patents)

15.  Ulf Sjostrand (1 out of 1 patent)


12 patents:

1. 5062343 - Method and a device for filling a space in an ammunition unit with (1991-11-05),
2. 5035843 - Method for producing explosive substances (1991-07-30),
3. 4983235 - Method for the production of fine-grained explosive substances (1991-01-08),
4. 4911077 - Method for producing propellant charges and charges produced according (1990-03-27),
5. 4900819 - Method in the production of crystalline explosives (1990-02-13),
6. 4876962 - Propellant charge for cannons and a method of producing such a charge (1989-10-31),
7. 4788331 - Method of preparing 5-amino salicylic acid (1988-11-29),
8. 4718346 - Explosive charge for the explosive welding of large diameter pipes, and (1988-01-12),
9. 4714572 - Method for the manufacture of composite explosives (1987-12-22),
10. 4706567 - Explosive charges (1987-11-17),
11. 4699741 - Method of phlegmatization of crystalline explosives and other explosive (1987-10-13),
12. 4605777 - Method of manufacturing o- and p-nitrobenzaldehyde (1986-08-12),
Company Overview
Nobel Kemi Ab, based in Karlskoga, Sweden, specializes in the development and manufacturing of advanced chemical solutions. The company focuses on innovative products for various industries, including pharmaceuticals, agriculture, and specialty chemicals. With a commitment to research and development, Nobel Kemi Ab aims to enhance product performance and sustainability through cutting-edge technology. Their expertise in chemical engineering positions them as a key player in the global market, driving advancements in chemical applications.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 13 2026

12 Patents

#4 in Karlskoga

#526 in Sweden

#48,163 in the World

Karlskoga, SE
Karlskoga, Sweden

Nobel Kemi Ab

Forward Citations = 53

15 inventors:

goldMedal Jan-Olof Nyqvist (3 out of 5 patents)

silverMedal Leif Svensson (3 out of 8 patents)

bronzeMedal Per Sjoberg (3 out of 4 patents)

4.  Mats Olsson (2 out of 4 patents)

5.  Per Ericsson (2 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Nobel Kemi Ab. Retrieved from https://idiyas.com/company/nobel-kemi-ab

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

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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