U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Quotables

"If you build a better mousetrap, you will catch better mice."

George Gobel

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 396/576 - Heating processing liquid before entry to treating station


Subclass of Class 396 - Photography
Definition: Subject matter wherein a liquid which performs a treating
No. of patents: 19
Last issue date: 08/14/2007


NumberTitleIssue Date
7255845Process for conducting an equilibrium limited chemical reaction in a single stage process channel
This invention relates to a process for conducting an equilibrium limited chemical reaction in a single stage process channel. A process for conducting a water shift reaction is disclosed. A multichannel reactor with cross flow heat exchange is disclosed. ...
08/14/2007
7000427Process for cooling a product in a heat exchanger employing microchannels
This invention relates to a process for cooling or liquefying a fluid product (e.g., natural gas) in a heat exchanger, the process comprising: flowing a fluid refrigerant through a set of refrigerant microchannels in the heat exchanger; and flowing the product throu...
02/21/2006
6969505Process for conducting an equilibrium limited chemical reaction in a single stage process channel
This invention relates to a process for conducting an equilibrium limited chemical reaction in a single stage process channel. A process for conducting a water shift reaction is disclosed. A multichannel reactor with cross flow heat exchange is disclosed. ...
11/29/2005
6441349System for facilitating uniform heating temperature of photoresist
A system and method for facilitating uniform heating temperature of a material is provided. The material may be a photoresist, a top or bottom anti-reflective coating, a low K dielectric material, SOG or other spin-on material. The system can include at l...
08/27/2002
6318913Semiconductor wafer manufacturing method and apparatus for an improved heat exchanger for a photoresist developer
Embodiments of the invention comprise a new device and technique to realize an improved temperature control for a chemical photoresist developer utilizing a preexisting integrated single reservoir. This improvement is achieved by providing for a modified ...
11/20/2001
6250822Semiconductor wafer manufacturing method and apparatus for an improved heat exchanger for a photoresist developer
Embodiments of the invention comprise a new device and technique to realize an improved temperature control for a chemical photoresist developer utilizing a preexisting integrated single reservoir. This improvement is achieved by providing for a modified ...
06/26/2001
5890028Apparatus for and method of development processing
A development processing apparatus includes: a plurality of stock tanks which stores a plurality of types of processing solutions; a small-volume single processing tank including an entrance/exit port for a film which enables the entering/exiting of the f...
03/30/1999
5809362Photosensitive material processing device
A photosensitive material processing device having a processing tank in which is stored a processing solution for processing photosensitive materials. The processing tank is formed such that, given that a tank volume is V milliliters and a path length is ...
09/15/1998
5753111Photographic processor and improved filter assembly
A quick disconnect filter assembly and manifold assembly for use in a photographic processor having a recirculating system designed for receiving a filter assembly in line. The filter assembly comprising: a housing having an internal chamber, a chamber in...
05/19/1998
5491530Processing of photographic film
Described herein is a portable film processing arrangement which is housed in a case-like receptacle comprising a base portion and a lid portion. Base portion 10 houses a plurality of processing units 30 which accommodate spiral holders onto which film to...
02/13/1996
5486890System for controlling the temperatures of processing solutions in photosensitive material processors
The present invention provides a system for controlling the temperatures of processing solutions in a photosensitive material processor, which enables the temperatures of processing solutions to be controlled with a smaller power source capacity yet with ...
01/23/1996
5309191Recirculation, replenishment, refresh, recharge and backflush for a photographic processing apparatus
An apparatus for processing photosensitive materials, which comprises: a tank through which a processing solution is pumped; a rack having integral means to facilitate its insertion and removal from the tank, the rack and the tank are relatively dimension...
05/03/1994
5302993Microwave-heated film processing apparatus
A compact developing apparatus that can quickly modify processing chemistries is disclosed. A web coated with a photograph emulsion or other photosensitive material forms one wall of a processing chamber and processing chemicals are introduced sequentiall...
04/12/1994
5070351Method and apparatus for processing photosensitive material
This invention relates to a method and apparatus for processing photosensitive material and, in particular, to a compact table top apparatus for developing silver halide photosensitive materials, such as a sheet or web of photographic film or paper or pla...
12/03/1991
5030980Photo development apparatus
A photo development apparatus made up of a development tank and a heater tank having an immersion heater in the heater tank. A flow means connects the development tank to the heater tank and a manifold connecting the heater tank to the development tank by...
07/09/1991
4890131Automatic film processors
An automatic film processor for processing roll, sheet or disk film houses the film to be developed, which is disposed in a light tight housing, preheats the chemical solutions to the proper temperature and pumps them, in turn, into the reservoir formed b...
12/26/1989
4466722Film developing apparatus having continuous circulation of developing liquids
An apparatus for the development of microfilm passes film successively through different work stations, such as the developer bath, fixing bath, preliminary washing bath, second washing bath and a drying stage. The film moves in a horizontally arranged tr...
08/21/1984
4182567Apparatus for continuously processing photographic films or the like
A continuous processor for exposed webs of photographic paper has several tanks and a system of hoses which connect the outlets in the lower portions with the inlets in the upper portions of the tanks. The liquid developer is circulated by a pump and is h...
01/08/1980
4104668Continuous processor for photographic films or the like
A continuous developing machine for exposed photographic material has a vessel with one or more outlets close to its bottom and one or more inlets at its top, conduits which connect the outlets with the inlets, a pump which circulates the developing solut...
08/01/1978
 
Sign InRegister
Username  
Password   
forgot password?