1
Ronald L Rivest, Adi Shamir, Leonard M Adleman: Cryptographic communications system and method. Massachusetts Institute of Technology, Arthur A Smith Jr, Robert J Horn Jr, September 20, 1983: US04405829 (1090 worldwide citation)

A cryptographic communications system and method. The system includes a communications channel coupled to at least one terminal having an encoding device and to at least one terminal having a decoding device. A message-to-be-transferred is enciphered to ciphertext at the encoding terminal by first e ...


2
William F Schreiber: Color reproduction system. Massachusetts Institute of Technology, Arthur A Smith Jr, Thomas J Engellenner, February 19, 1985: US04500919 (348 worldwide citation)

A system for reproducing a color original in a medium using a selected multiplicity of reproduction colorants, comprising: a scanner for producing from said color original a train of appearance signals dependent on at least three color values of said original; aesthetic correction circuitry for intr ...


3
Ioannis V Yannas, John F Burke, Philip L Gordon, Chor Huang: Multilayer membrane useful as synthetic skin. Massachusetts Institute of Technology, Arthur A Smith Jr, Martin M Santa, David E Brook, November 29, 1977: US04060081 (271 worldwide citation)

A multilayer membrane, which is useful as synthetic skin, is disclosed herein. A first layer is formed from a material which does not provoke an immune response and which is also insoluble and nondegradable in the presence of body fluids and/or body enzymes. Preferred materials for the first layer a ...


4
Eugene Bell: Bone-equivalent and method for preparation thereof. Massachusetts Institute of Technology, Arthur A Smith Jr, David E Brook, November 27, 1984: US04485097 (222 worldwide citation)

A bone-equivalent, useful in the fabrication of prostheses, is disclosed which is prepared from a hydrated collagen lattice contracted by fibroblast cells and containing demineralized bone powder.


5
Ioannis V Yannas, John F Burke: Cell-seeding procedures involving fibrous lattices. Massachusetts Institute of Technology, Arthur A Smith Jr, David E Brook, July 10, 1984: US04458678 (212 worldwide citation)

This invention relates to the introduction of viable cells into a fibrous lattice by surgical, force-utilizing, or other manipulative techniques, all of which are referred to herein as "seeding." One embodiment comprises an autografting technique which involves intact tissue. Other embodiments which ...


6
Ioannis V Yannas, Philip L Gordon, Chor Huang, Frederick H Silver, John F Burke: Crosslinked collagen-mucopolysaccharide composite materials. Massachusetts Institute of Technology, Arthur A Smith Jr, David E Brook, July 28, 1981: US04280954 (197 worldwide citation)

Composite materials are disclosed which are formed by contacting collagen with a mucopolysaccharide and subsequently covalently crosslinking the resultant polymer. These composite materials have a balance of mechanical, chemical and physiological properties which make them useful in surgical sutures ...


7
Eugene Bell: Tissue-equivalent and method for preparation thereof. Massachusetts Institute of Technology, Arthur A Smith Jr, David E Brook, November 27, 1984: US04485096 (189 worldwide citation)

A tissue-equivalent, useful in the treatment of burns or other skin wounds and in the fabrication of prostheses, is disclosed which is prepared from a hydrated collagen lattice contracted by a contractile agent, such as fibroblast cells or blood platelets, to form tissue-equivalent. In one embodimen ...


8
John C C Fan, Herbert J Zieger: Method of crystallizing amorphous material with a moving energy beam. Massachusetts Institute of Technology, Arthur A Smith Jr, David E Brook, January 5, 1982: US04309225 (178 worldwide citation)

An improved method for crystallizing amorphous material with a moving beam of energy is disclosed. In this method, the energy beam is scanned in a manner to provide controlled, continuous motion of the crystallization front.


9
Dietmar Seyferth, Gary H Wiseman: Preceramic organosilazane polymers. Massachusetts Institute of Technology, Arthur A Smith Jr, George W Neuner, November 13, 1984: US04482669 (168 worldwide citation)

A preceramic polymer which is a polysilazane is described. It is made by reacting an organodihalosilane with ammonia to form an ammonolysis product, and treating the ammonolysis product with a basic catalyst capable of deprotonating an NH group that is adjacent to an SiH group to form said polymer. ...


10
Jane E Martini Vvedensky, Nam P Suh, Francis A Waldman: Microcellular closed cell foams and their method of manufacture. Massachusetts Institute of Technology, Arthur A Smith Jr, Thomas J Engellenner, September 25, 1984: US04473665 (160 worldwide citation)

Microcellular foam materials having void fractions of about 5 to 30 percent and uniform void sizes on the order of 2 to 25 microns are produced by pre-saturating the material to be processed with a uniform concentration of a gas while controlling temperature and pressure to avoid cell nucleation. Pr ...