546 



THE INDIA RUBBER WORLD 



Patent .No. Date. Title. 



,097,973. May 26. 1914. Tennis or like ball. 

 ,098,331. May 28. 1914. Artificial denture. 



,098,853. Tune 2, 1914. TroducinK chlorine derivatives of the amy! series. 

 .098,859. June 2. 1914. Producing isoprene. 



099,107. June 2. 1914. Process for manufacturing a substance resemblioR 



,099,144 



,100,778. 



,101.112. 



.103,003. 



,104,722. 



,105,368. July 28, 1914. 



,106.748. Aug. II, 1914. 



.107.080. Aug. 11. 1914. 



,107,355. Aug. 18, 1914. 



,121,134. Dec. 15, 1914. 



,122,465. Dec. 29, 1914. 



,125,019. Jan. 12. 1915. 



,131.490. Mar. 



Process for 

 natural rubber, 

 une 2. 1914. Device for inflating cushions, etc. 

 une 23. 1914. Fountain pen. 

 une 23, 1914. Elastic connecting device, 

 uly 7. 1914. Detachable .vheel rim. 

 ulv 21. 1914. Vulcanizer. 



Ehstic beddinpr plate. 

 Pneumatic tire. 



Removable rim attachment for vehicle wheels. 

 Spring wheel. 



Process of making caoutchouc substitute. 

 Vulcanizer press. 

 Elastic heel protector. 

 Diving apparatus. 

 .140,418. May 25. 1915. Toy or joke article. 

 ,144,812. Tune 29. 1915. Freelv portable breathing apparatus. 

 ,150.508. Aug. 17. 1915. Respiratory mask or helmet. 

 ,150,642. Aug. 17, 1915. Process of manufacturing condensation products 



from formaldehyde and phenol. 

 ,153,030. Sept 7. 1915. Diver's dress. 

 ,153.655. Sept. 14. 1915. Telephone cable. 

 ,156.153. Oct 12, 1915. Vehicle wheel having a solid tire. 

 ,159,125. Nov. 2, 1915. Diver's helmet. H. Stelzner. 

 ,159,878. Nov. 9, 1915. Trocess for forming casein masses. 

 .159.879. Nov. 9. 1915. Process for forming casein masses. 

 .166.863. Tan. 4. 1916. Fountain pen. 

 ,167.518. Tan. II. 1916. Manufacture of froth fillings. 

 ,168,070. Tan. 11, 1916. Manufacture of isoprene and homologs. 

 ,169,984. Feb. 1. 1916. Elastic wheel with solid tire. 

 ,179,417. Apr. IS, 1916. Ammunition box with rubber buffers. 

 ,180,704. Apr. 25. 1910. Method of producing waterproof coatings of 



balata. 

 ,181,049. Apr. 25, 1916. A wheel for cars, equipped with removable solid 



,189,110. June 27. 1916. Producing substances resembling caoutchouc. 



,139.788. July 4, 1916. Resilient tire. 



,189.789. July 4. 1916. Resilient tire. 



,191,801. July 18, 1916. Process for manufacturing plastic substance! 



from the deiivatives of cellulose. 



,192.036. July 25. 1916. Resilient tire. 



,192.310. July 25. 1916. Caoutchouc-like substances and process of mak. 



the 



,195,117. Aug. 15. 1916. 

 ,195,556. Aug. 22, 1916. 

 ,206,519. Nov. 28, 1916. 



Device for removin 

 Resilient tire. 

 Elastic support for 

 Fountain pen. 

 Diving dress. 

 Diving helmet 



1.208.653. Dec. 12, 



1.209.223. Dec. 19, 1916 



1.209.224. Dec. 19, 1916. 

 1,213,824. Jan. 30, 1917. Elastic wheel 

 1,214,414. Jan. 30. 1916. Condensation product from phenols ai 



1-218,332. Mar. 6. i917. Manufacture of diolefine (isoprene) ( 

 and caoutchouc-like substances 

 Mar. 13. 1917. Production of caoutchouc-like bodies. 

 Apr. 3. 1917. Respi 

 Apr. 17. 1917, ~ 



1,218,713. 

 1,221,246. 

 1,222.683. 

 1,238.528, 



Respirator. 

 Aug. 28, 1917. Process of making plastic masses. 

 i,930. Sept. 4, 1917. Synthetic product resembling caoutchouc. 

 1,248,888. Dec. 4, 1917. Treating products resembling caoutchouc. 

 1,260,684. Mar. 26, 1918. Rubber-mixing machine. 

 1,294,662. Feb. 1?, 1919. Producing substances resembling caoutchouc. 



PATENTS OWNED BY GRASSELLI CHEMICAL CO. 

 1.062,828. May 27. 1913. Caoutchouc-like substance and process of m 



1.062.912. May 27. 1913. Cao 



1.062.913. May 27, 1913. Cao 



1,062,914. 



1,062,915. 



1,069,951. 



1,070,258. 

 1. 070.259. 

 1,074,432. 

 1,076,195. 



1,076,575. 



1.081,613. 



1,082,522. 

 1,084,333. 



like substance and process of mak- 

 substance and process of making 

 May 27, 1913. Caoutchouc substance and process of making 

 May 27. 1913. Caoutchouc substance and process of making 



Aug. 12. 1913. Caoutchouc substance and process of making 

 same. 



Aug. 12. 1913. Production of caoutchouc substances. 



Aug. 12, 1913. Process of producing caoutchouc-like substances. 



Sept. 30, 1913 Caoutchouc substance. 



Oct. 21. 1913. Manufacture and production of a caoutchouc- 

 like material. 



Oct. 21. 1913. Process of producing beta-gamma-dimethylery- 



threne. 

 Dec. 16. 1913. 



same. 

 Dec. 16. 1913. 



Dec. 30. 



same. 



Jan. 13, 



1914. 



Vulcanized caoutchouc 

 Caoutchouc substance 

 Caoutchouc substance 

 Caoutchouc substance 



and process of making 



and process of making 



and process of making 



and process of making 



1.084.334. Tan. 13. 1914. Vulcanized caoutchouc-like substance. 



1.084.335. Tan. 13. 1914. Vulcanized caoutchouc-like substance. 



1.084.336. Jan. 13. 1914. Vulcanized caoutchouc-like substance. 



1.084.337. Jan. 13, 1914. Vulcanized caoutchouc-like substance. 



1.084.338. Jan. 13. 1914. Vulcanized caoutchouc-like substance. 



1.094.159. Api. 21, 1914. Process of producing keto compounds from 



ketones and alflylaminomethanes. 



1.094.160. Apr. 21. 1914. Process of producing keto compounds from 



ketones and tetra-alkyldiaminomethanes. 

 1,094,539. Apr. 28. 1914. Process of producing 1.3-butyIenegIycoI. 

 1,113,614. Oct. 13, 1914. Colored caoutckouc substances and process of 



making same. 



1.113.630. Oct. 13. 1914. Process for the production of caoutchouc sub- 



1.113.631. Oct. 13. 1914. Production of caoutchouc substances. 

 1,113,759. Oct. 13. 1914. Colored caoutchouc substances and process of 



making same. 



1, 126,469. Jan. 26, 1915. Vulcanization of 



canized rubber products. 

 1.130.903. Mar. 9, 1915. Production of vul 

 1,149,577. Aug. 10. 1915. Caoutchouc subi 



1,M9,SSC. Aug. 10, 1915. Caoutchouc subst 



1.159.3MI. Nov. 2. 1915. Isoprc; 



c-nd vulcanizati( 



utchouc substan 



THE SCRAP AND RECLAIMED RUBBER SITUATION. 



DESPITE returning activity in rubber goods manufacturing 

 in America stagnation is manifest in the scrap and re- 

 claimed rubber markets. The demand for reclaimed rubber has 

 seriously fallen off and reclaimers are operating their plants at 

 less than full capacity, buying scrap only for actual needs. 

 These conditions have reduced the demand for scrap rubber to 

 a minimum. 



This situation is attributable to the low prices ruling for crude 

 rubber and to the relatively high prices asked for scrap. The 

 price of crude rubber is the leading factor and scrap prices are 

 secondary. 



The better grades of reclaimed rubber are competitive with 

 crude, consequently they find no sale when the prices asked raise 

 the cost of their rubber content to practically that of crude 

 rubber. 



These price conditions have become operative since the first of 

 the year and for some weeks past plantation Hevea has been 

 and still remains a better purchase, on the basis of rubber value, 

 than the better grades of reclaim. Manufacturers who were, 

 hitherto, large users of reclaim are now giving preference to 

 crude and this tendency is extending. 



Scrap dealers claim there is no profit in their business at less 

 ihan current prices, and reclaimers assert that the prices at which 

 scrap is held by dealers practically forbid its conversion into 

 products that can compete with crude rubber. Manufacturers 

 of rubber goods are willing to use large quantities of reclaim, 

 but are demanding lower prices. The reclaimers in turn are 

 doing all possible to get the price of scrap on a lower basis and 

 are not paying the prices asked except for shoes. They are 

 fairly well satisfied in respect to tires, but claim that the 

 prices asked for boots and shoes are very much in excess 

 of this comparative value. Reclaimers frankly admit they are 

 facing a critical situation in this matter and whether scrap prices 

 will fall to the levels indicated by them is open to question. No 

 less serious and trying is the difficulty in which the scrap deal- 

 ers are placed. 



Present scrap quotations are nearing the levels indicated as 

 necessary by reclaimers, and the transition to more active buy- 

 ing does not appear to be far off. Probably the situation will 

 ultimately be relieved by mutual concessions. Reclaimers be- 

 lieve that when buying starts there will be a big movement in 

 scrap, owing to the fact that the output of rubber goods will 

 be mostly for civilian use not subject to the restriction of re- 

 claim operative in the manufacture of rubber goods for govern- 

 ment use 



The common interest of reclaimers and scrap dealers calls 

 for maximum cooperation to improve their trade situation. 



Mutual price concessions must be supplemented by activity in 

 seeking new outlets for the materials. 



Already scrap dealers are finding a measure of relief in de- 

 veloping the business of supplying- repairable tires for numer- 

 ous tire-rebuilding companies, and supplying the voluminous de- 

 mand of the tire repair trade for salvaged building fabric stripped 

 from discarded automobile tires. 



It is possible that reclaimers may try the manufacturing field, 

 particularly along such lines as will afford ample outlet for their 

 reclaim products. For example, rubber pavement and tiling 

 have already been satisfactorily demonstrated and doubtless 

 numerous other needs will be developed in the processes of in- 

 vention and search for increased uses of rubber. 



