31
Carter William Alvin: Modulation of lymphokine-resistant cellular states by dsrnas.. Hem Res, December 27, 1989: EP0347501-A1 (24 worldwide citation)

Tumor cells sub- or non-responding to the antiproliferative effects of lymphokines, notably the interferons and the interleukins, and rendered lymphokine-responsive by exposing the tumor cells to exogenous mismatched dsRNAs. These dsRNAs themselves modulate cell growth of susceptible tumors towards ...


32
Ebinuma Ryuichi, Chiba Yuji, Mizusawa Nobutoshi: Ink-jet recording apparatus.. Canon, December 27, 1989: EP0348234-A2 (22 worldwide citation)

An ink-jet recording apparatus comprises recording means (1) for recording an image on a recording medium; image reader means (2) for reading the image; cmparing means (3) for comparing a recording signal input from the recording means (1) and an image signal input from the image reader means (2); d ...


33
Balas Solomon, Dunn Paul: Optical display apparatus.. Third Dimension, December 27, 1989: EP0348137-A2 (22 worldwide citation)

An optical display apparatus comprises a non-isotropic holographic diffusing screen (1), a light source (3) for projecting a pattern of light onto the screen, and a reflector (2). The screen has the property of being substantially transparent, except for light from the source (3) which is diffused, ...


34
Evans John Martin: Catheters and methods of manufacture.. Evans John M, December 27, 1989: EP0348136-A2 (22 worldwide citation)

An epidural catheter comprises a flexible plastics tube (1) that is closed at its patient end tip (4) but has four slits (5 to 8) extending along the patient end (3) to render the catheter more flexible at its patient end. The slits (5 to 8) extend parallel to one another and to the axis of the cath ...


35
Aagard Roger L, Bonne Ulrich, Matthys Robert J: Measurement of thermal conductivity and specific heat.. Honeywell, December 27, 1989: EP0348245-A2 (21 worldwide citation)

A method and apparatus for determining both the thermal conductivity, k, and specific heat, cp, of a fluid of interest are disclosed. An embodiment uses proximately positioned resistive heater 126 and thermal sensor 122, 124 coupled by the fluid of interest. A pulse of electrical energy is applied t ...


36
Ishii Hirofumi, Morimura Atsushi: Image motion vector detecting apparatus.. Matsushita Electric, December 27, 1989: EP0348207-A2 (21 worldwide citation)

An image motion vector detecting apparatus includes a low-pass filter (12, 12 min ) for suppressing a spatial high frequency component of an image signal in one or both of the horizontal and vertical directions, and a high-pass filter (13) for suppressing a spatial low frequency component of an imag ...


37
Perrotta Nicholas J, Kaneko Mitsunori: Portable pulsatile organ perfusion device and method.. Perrotta Nicholas J, December 27, 1989: EP0347923-A1 (21 worldwide citation)

A portable pulsatile perfusion device includes a pump (14) which pumps measured volumes of perfusate in pulses of selected duration at a selected repetition rate into a donor heart (35) immersed in perfusate. The aorta of the heart is sealed closed. An outlet tube (34) of the pump is connected to a ...


38
Skold Bjorn Ake: A vehicle seat structure which incorporates a childs chair.. Akta Barnsaekerhet, December 27, 1989: EP0348374-A1 (21 worldwide citation)

The invention relates to a vehicle seat structure structure which incorporates a child's chair. The chair is constructed so as to enable it to be fitted to the back rest (2) or seat cushion of the vehicle seat structure structure. The vehicle seat structure includes a section (4) which is mounted de ...


39
Zabrocki Vincent S: Thermoplastic resinous composition.. Dow Chemical, December 27, 1989: EP0347794-A1 (21 worldwide citation)

Disclosed are novel thermoplastic compatible compositions comprising a polyolefin, a thermoplastic polyurethane, and a compatibilizing amount of at least one modified polyolefin. The polymer blends are soft, flexible, resinous compositions of high tensile and tear strengths. The compositions overcom ...


40
Arrowood Andrew Hilliard, Clarke Kathryn E, Drake John Ellis Jr, Eisenbies John Lawrence, Gray James Peyton, Norsworthy Karla Jean, Pozefsky Diane Phylis, Smetanka Terence Dale: Method of efficiently updating the topology databases of the nodes in a data communications network.. Ibm, December 27, 1989: EP0348331-A2 (21 worldwide citation)

In a communications network, each network node can maintain its own list of network resources in a topology database. When the state of a resource "owned" by a particular node changes, that node broadcasts a topology database update (TDU) message to adjacent nodes. Each adjacent node updates its own ...