Patents by Inventor Marshall Spector

Marshall Spector 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).

  • Method for protecting plants and plant matter from stress
    Patent number: 4802905
    Abstract: Crops, seeds, tissue cultures and cut flowers are protected from stress by application of polyamines and acid salts of such polyamines. The polyamines of this invention are represented by the general formula:H.sub.2 NCHRCHR(--NHCHRCHR--)nNH.sub.2where n represents an integer of from 1 to 3 and R represents either hydrogen or a methyl group.
    Type: Grant
    Filed: March 10, 1987
    Date of Patent: February 7, 1989
    Assignee: Air Products and Chemicals, Inc.
    Inventor: Marshall Spector