Patents by Inventor Simon Couldwell

Simon Couldwell has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Silage production
    Patent number: 4822620
    Abstract: Silage effluent is retained within the silo by adding a water-absorbent, water-swellable particles of synthetic polymer with the grass, maize etc. Preferably the polymer is an acrylic acid polymer or a dimethylaminoethyl acrylate polymer. The polymer may be used in conjunction with other additives e.g. lactic-acid producing bacterial inoculants, acid compounds or sterilizing compositions.
    Type: Grant
    Filed: March 18, 1987
    Date of Patent: April 18, 1989
    Assignee: Allied Colloids Limited
    Inventors: Peter Chamberlain, Simon Couldwell