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"That’s an amazing invention, but who would ever want to use one of them?"
President Rutherford B. Hayes ; Said in 1876, after Alexander Graham Bell demonstrated the telephone to him at the White House
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| Number | Title | Issue Date |
| 4020268 | Agarose containing affinity matrix materials A novel affinity matrix material for trypsin and trypsin-like enzymes is disclosed. Methods employing this material to isolate and/or purify crude extracts containing trypsin and trypsin-like enzymes and to store the purified enzymes obtained are also dis... | 04/26/1977 |
| 4016351 | Pectic substances with varying methoxyl content and process therefor This invention is directed to a process for the production of pectic substances having a methoxyl content of about 2 about 12% from pectic bearing substances comprising combining naturally occurring pectin bearing substances and a source of calcium ions a... | 04/05/1977 |
| 4013629 | Art of catalyzing the reaction between a polyol and a polyaldehyde An inorganic alkali halide is employed in a binder system to catalyze the reaction between glyoxal and polyhydroxyl compounds while permitting a controlled reaction rate and control of properties. The binder system has shown good utility as a foundry core... | 03/22/1977 |
| 4003792 | Conjugates of acid polysaccharides and complex organic substances This invention relates to chemical conjugates of acid polysaccharides and biochemically active complex organic molecules and particularly to such conjugates which are capable of forming soluble sodium salts and insoluble calcium salts.... | 01/18/1977 |
| 4000127 | Carboxymethylated derivatives of polysaccharide and detergent compositions containing same Carboxymethylated derivatives of polysaccharide compounds such as starch are disclosed which have improved sequestering properties and are useful as water softeners as well as detergency builders in detergent compositions. The compounds are water-soluble ... | 12/28/1976 |
| 3948881 | Process for the production of alkylene glycol alginates An improved process for the production of alkylene glycol alginates from seaweeds of the Class Phaeophyceae by treating with a dilute aqueous solution of a strong acid, washing the solid residue, optionally but preferably neutralizing only part of the fre... | 04/06/1976 |
