1
Yuji Iwashita, Katsumi Ajisaka: Blood substitute containing modified hemoglobin. Ajinomoto Company Incorporated, Oblon Fisher Spivak McClelland & Maier, November 17, 1981: US04301144 (414 worldwide citation)

A novel modified hemoglobin was prepared. The hemoglobin is coupled with a polyalkylene glycol or its derivative, and the products are useful as a blood substitute. The oxygen-carrying capacity of this hemoglobin is nearly equal to that of a native hemoglobin, and the residence time in the circulati ...


2
Edwin H Weder, Donald E Weder: Flower pot covering. Harvey B Jacobson, November 17, 1981: US04300312 (329 worldwide citation)

A substantially planar sheet of thin plastic film is held about the exterior of a flower pot by use of a cradle having a substantially circular base with a plurality of upstanding fingers spaced evenly about the base. The cradle is produced in a size just slightly larger than the flower pot it is to ...


3
Jeremy R Hill, Allen E Meyer: Liquid conductivity measuring system and sample cards therefor. United States Surgical Corporation, Fleit & Jacobson, November 17, 1981: US04301412 (300 worldwide citation)

A system for measuring a parameter of a liquid sample, such as the hematocrit and an approximation of hemoglobin for a blood sample. The system basically comprises a hand-held instrument and a disposable sample card. The instrument accepts the disposable sample card, which is used for the one-time c ...


4
Hiroyuki Furihata: Forceps for extracting stones in the pelvis of a kidney. Olympus Optical, Frishauf Holtz Goodman and Woodward, November 17, 1981: US04300564 (275 worldwide citation)

A forceps for extracting stones in the pelvis of a kidney comprises a pair of shanks pivotally connected to each other and each having a finger ring at one end, a pair of arms extending from the other ends of the respective shanks away from the finger rings and being curved to deviate from the plane ...


5
Jerry E Carstens: Layered paper having a soft and smooth velutinous surface, and method of making such paper. The Procter & Gamble Company, Thomas J Slone, Fredrick H Braun, Richard C Witte, November 17, 1981: US04300981 (249 worldwide citation)

A layered paper and method of making it, which paper is characterized by having a soft, relatively untextured smooth velutinous surface defined by a multiplicity of relatively flaccid papermaking fibers having unbonded free end portions of substantial length, and which surface is subjectively discer ...


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Keizo Otsuki, Hidetoshi Mochizuki, Akira Suzuki, Yoshio Adachi, Hideki Kosaka, Gen Murakami: Lead frame and semiconductor device employing the same with improved arrangement of supporting leads for securing the semiconductor supporting member. Hitachi, Craig and Antonelli, November 17, 1981: US04301464 (181 worldwide citation)

This invention relates to a lead frame which is applied to a resin-molded semiconductor device. According to the lead frame of this invention, a quadrangular tab for supporting a semiconductor pellet is supported by four tab leads which extend along diagonal lines of the tab.


8
Ronald A Schachar: Multifocal ophthalmic lens. Richards Harris & Medlock, November 17, 1981: US04300818 (173 worldwide citation)

The specification discloses a multifocal ophthalmic lens to provide a variable focusing power lens for near and farsighted corrected vision. The lens includes a first and second lens element. First and second electrodes are disposed between the lens elements, and a film of liquid crystal is disposed ...


9
Sigfried Hessberg, Werner Dold: Portable infusion apparatus. Intermedicat, Merriam Marshall & Bicknell, November 17, 1981: US04300554 (168 worldwide citation)

Disclosed is a portable continuous infusion apparatus for administering an injectable liquid to a patient. The apparatus expells the contents of a syringe on a time controlled basis. It employs two separate springs, with one spring used to power a clockwork and another spring to power a gear rack to ...


10
Michael N Rosensaft, Richard L Webb: Synthetic polyester surgical articles. American Cyanamid Company, Charles F Costello Jr, November 17, 1981: US04300565 (144 worldwide citation)

A procedure is disclosed employing the sequential addition of monomers to form a copolymer useful in the manufacture of surgical articles.