Patents Represented by Law Firm Hubbell, Cohen, Steifel & Gross
  • Patent number: 4320593
    Abstract: A disc of the type adapted for manual toss and glide having weighted members added to enhance flight characteristics is also disclosed.
    Type: Grant
    Filed: November 20, 1978
    Date of Patent: March 23, 1982
    Inventor: Joseph E. Sarkis
  • Patent number: 4036833
    Abstract: New N-substituted thio (or sulfinyl) aliphatic acylcephalosporin C and their derivatives at the 3rd position have been prepared. The compounds are useful as intermediates for recovering cephalosporin C and deacetoxycephalosporin C from their fermentation broth and also for preparing 7-aminocephalosporanic acid and its derivatives at the 3rd position.
    Type: Grant
    Filed: May 27, 1975
    Date of Patent: July 19, 1977
    Inventors: Toshiyasu Ishimaru, Mariko Kawabata