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Copenhagen Valby, Denmark

Kefalas A/s

USPTO Granted Patents = 21

Forward Citations = 200

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12 inventors (with patents filed for the assignee):

Jorn Lasse Buus (10 out of 10 patents)

Niels Lassen (9 out of 10 patents)

Peter Bregnedal Hansen (6 out of 6 patents)

4. Klaus P Bogeso (5 out of 13 patents)

5. Allan J Bigler (5 out of 5 patents)

6. Georg Ujvari (3 out of 3 patents)

7. Jens Kristian Perregaard (2 out of 48 patents)

8. Peter Bregnedal (2 out of 2 patents)

9. Bruno P Poschel (1 out of 4 patents)

10. Anders S Toft (1 out of 1 patent)

11. Donald R Maxwell (1 out of 2 patents)

12. Klaus P Boges (1 out of 1 patent)

21 patents: Sort by Forward Citations

1. 4525360 - Anti-psychotic phenylindene derivatives and acid addition salts thereof (1985-06-25),

2. 4443448 - Indane derivatives, pharmaceutical compositions thereof and method of (1984-04-17),

3. 4384140 - 2-Chloroethyl urea derivatives (1983-05-17),

4. 4367239 - Nitrosourea derivatives, pharmaceutical compositions thereof and method (1983-01-04),

5. 4353910 - Derivatives of 4,5,6,7-tetrahydroisoxazolo [5,4-c] pyridine-3-one, (1982-10-12),

6. 4309429 - Xanthene and thioxanthene derivatives, compositions thereof, and (1982-01-05),

7. 4285956 - Xanthene and thioxanthene derivatives, compositions thereof and (1981-08-25),

8. 4275209 - Xanthene and thioxanthene derivatives (1981-06-23),

9. 4235916 - 2-Methylthio-6-fluoro-9-(1-methyl-4-piperidylidene)-thioxanthene and (1980-11-25),

10. 4232021 - Anti-depressant methods (1980-11-04),

11. 4153694 - Behenic acid esters, compositions thereof and a method of preparation (1979-05-08),

12. 4136193 - Anti-depressive substituted 1-dimethylaminopropyl-1-phenyl phthalans (1979-01-23),

13. 4044024 - Thiaxanthene derivatives (1977-08-23),

14. 4042695 - Thiaxanthene derivatives, compositions thereof and methods of treating (1977-08-16),

15. 4038395 - Compositions of and method of treating with the alpha-isomer of (1977-07-26),

Kefalas A/S is a leading provider of innovative solutions in the field of construction, civil engineering, and project management. With over 20 years of experience, we offer a wide range of services including design, planning, and execution of construction projects. Our team of experts is dedicated to delivering high-quality results on time and within budget.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 2 2025

21 Patents

#17 in Copenhagen Valby

#140 in Denmark

#29,009 in the World

Copenhagen Valby, Denmark

Kefalas A/s

Forward Citations = 200

12 inventors:

Jorn Lasse Buus (10 out of 10 patents)

Niels Lassen (9 out of 10 patents)

Peter Bregnedal Hansen (6 out of 6 patents)

4. Klaus P Bogeso (5 out of 13 patents)

5. Allan J Bigler (5 out of 5 patents)

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