Thirty-ninth, to James Thomas, New York, September 4, 1847. For preparing India-rubber.
Fortieth, to Charles F. Durant, Jersey City, N. J., October 25, 1847. For process for softening and dissolving India-rubber in Chloroform.
Forty-first, to Charles Goodyear, New Haven, Conn., April 25, 1848. For process of making hollow spheres, various hollow toys, or other hollow articles of India-rubber (caoutchouc), the same consisting in the employment of a mould, and heat, and air, substantially in the manner above set forth.
Forty-second, to Charles F. Durant, Jersey City, N. J., April 25, 1848. For application of per-chloride of formyle, otherwise known as chloroform, to soften and dissolve gutta-percha, and to soften and dissolve rubber.
Forty-third, to Horace H. Day, Jersey City, N. J., May 2, 1848. For finishing or treating cloth, or other articles made wholly or partly of gutta-percha, and cloth and fabric made of these, with Japan varnish, such as is generally used in the manufacture of patent leather.
Forty-fourth, to Horace H. Day, and Francis D. Hayward, of New Brunswick, N. J., May 7, 1848, re-issued November 7, 1848. For forming and rendering elastic suspenders, shoulder braces, riding belts, and other similar articles, by use in combination therewith of the elastic rings, for the purpose of giving spring and draught.
Forty-fifth, to Henry Bewley, Dublin, Ireland, May 23, 1848. For application of gutta-percha in any of the states, and by any of the processes before specified, to the manufacture of flexible syringes, tubes, bottles, hose, or other like vehicles or vessels, or to the improvement of such articles after manufacture.
Forty-sixth, to Charles Hancock, Grosvenor Place, London, May 23, 1848. For a method of making bands and belts of gutta-percha, or the compounds thereof, by the process of forming, in combination with the process of stretching or drawing out, substantially as described; and this I claim irrespective of the methods that may be employed for forming and stretching, or drawing out the bands or belts.
Forty-seventh, to R. A. Brooman, London, England, May 23, 1848. For manufacture of various articles, by moulding, stamping, or embossing, &c., to give to such articles the form required to be retained, whether useful or ornamental, whereby I am enabled to produce articles useful or ornamental, or both, at less cost, more durable, more easily applied, and in short, more valuable than when made of any other known substance; and this I claim, whether made of gutta-percha alone, or in combination with such other substances as are herein specified.
Forty-eighth, to Charles Keene, Sussex Place, Regent’s Park, England, May 23, 1848. For the manufacture of boots, shoes, and other articles of any known kind of cloth or leather, lined or coated, as herein described, with gutta-percha in any of the states of preparation or combination, by cementing instead of sewing or stitching them together.