DF

David Farrar

AL Allied Colloids Limited: 7 patents #2 of 22Top 10%
Overall (1989): #1,208 of 140,708Top 1%
7
Patents 1989

Issued Patents 1989

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
4880858 Water absorbing polymers Peter Flesher, Malcolm Skinner, John B. Clarke, David Marshall, Malcolm Hawe 1989-11-14
4876047 Process for producing sulphonic acid Gerald P. Benn, Peter Flesher 1989-10-24
4861539 Process of making water-absorbent, water-insoluble, cross linked fiber or film Adrian S. Allen, Peter Flesher 1989-08-29
4859720 Process and compositions for sizing paper Peter Flesher, John Langley, Norma Rosier 1989-08-22
4835206 Water soluble polymeric compositions John Langley, Adrian Swinburne Allen 1989-05-30
4820645 Testing polyelectrolytes John R. Field, Peter Flesher 1989-04-11
4820872 Process for hydrolyzing nitriles Peter Flesher, Gerald P. Benn 1989-04-11