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Malmo, Sweden

Ian Harwigsson

Average Co-Inventor Count = 2.14

ph-index = 5

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 50

Ian HarwigssonMartin Hellsten (5 patents)Ian HarwigssonCarina Brink (1 patent)Ian HarwigssonIan Harwigsson (5 patents)Martin HellstenMartin Hellsten (15 patents)Carina BrinkCarina Brink (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Akzo Nobel N.v. (3 from 1,248 patents)

2. Berol Nobel Ab (2 from 22 patents)


5 patents:

1. 5979479 - Use of alkoxylated alkanolamide together with alkoxylated alcohol as a

2. 5911236 - Alkoxylated alkanolamide together with an ionic surfactant as

3. 5902784 - Use of a betaine surfactant together with an anionic surfactant as a

4. 5700766 - Use of an amphoteric surfactant as a friction-reducing agent

5. 5339855 - Use of alkoxylated alkanolamide as friction-reducing agent

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