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For the Inventor, By the Inventor

Cologne, Germany

Knut Hammerstrom

USPTO Granted Patents = 8

Average Co-Inventor Count = 2.9

ph-index = 5

Forward Citations = 57(Granted Patents)


Location History:

  • Leverkusen, DE (1978)
  • Cologne, DE (1976 - 1982)
  • Bergisch Gladbach, DE (1982)
  • Berg.-Gladbach, DE (1982)

Company Filing History:

goldMedal8 out of 12,157 
 
Bayer Aktiengesellschaft
 patents

Years Active: 1976-1982

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8 patents (USPTO):Explore Patents
1. 4329499 - Alkyldiphenyl ether-sulphonic acid hydrazides, their preparation and (1982-05-11),
2. 4325789 - Process for separating off phenol from a mixture thereof with a cresol (1982-04-20),
3. 4319019 - Polyamines containing amide groups (1982-03-09),
4. 4250299 - Polyamines containing amide groups (1981-02-10),
5. 4250298 - Polyamines containing amide groups (1981-02-10),
6. 4124505 - Degradation of organic compounds in effluents by wet oxidation (1978-11-07),
7. 4053516 - Process for the continuous preparation of tetramethylethylene-diamine (1977-10-11),
8. 3972939 - Process for the preparation of polyethylene-polyamine salts of low (1976-08-03),
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