baber/WOPTO huggingface dataset:
Patent TW-I739215-B (TW)
Title: Amplifying apparatus and voltage-to-current converter apparatus
Inventor: CHENG TING-YUAN
IPC: H03F3/10
Filed: 2019-11-21
Granted: 2021-09-11
Abstract: An amplifying apparatus and a voltage-to-current converter apparatus are provided. The amplifying apparatus includes a zero point generating circuit, a level shifter circuit, a transistor, and a amplifying circuit. The first terminal of the zero generating circuit is coupled to the output terminal of the amplifying apparatus. The first terminal of the level shifter circuit is coupled to the output terminal of the amplifying apparatus. The first terminal of the transistor is coupled to a supply voltage. The second terminal of the transistor is coupled to the output terminal of the amplifying apparatus. The control terminal of the transistor is coupled to the second terminal of the level shifter circuit. The input terminal of the amplifying circuit is coupled to the input terminal of the amplifying apparatus. The output terminal of the amplifying circuit is coupled to the output terminal of the amplifying apparatus.
Patent TW-I724692-B (TW)
Title: Overpack assembly and method of making the overpack assembly
Inventor: TOLLESON ALEX B
IPC: B65D23/02
Filed: 2019-12-17
Granted: 2021-04-11
Abstract: An overpack assembly and a method of making an overpack assembly is disclosed. The overpack assembly includes a liner positioned within an overpack. In one embodiment, the method includes making a liner including providing a first sheet including a fitment positioned over a second sheet, the first sheet attached to the second sheet along an attachment seam at an entire perimeter edge. The first sheet is pulled apart from the second sheet at a center of the liner, forming a three-dimensional liner with triangular wings. A vertical seam is formed across each triangular wing, the vertical seam being perpendicular to the attachment seam, where a length of the vertical seam corresponds to the height of the liner when in use. The liner is positioned within the overpack.
Patent TW-I717946-B (TW)
Title: 掃描曝光方法
Inventor: KATO MASAKI
IPC: G03F1/42
Filed: 2014-04-07
Granted: 2021-02-01
Abstract: 提供一種能以高生產性生產高品質基板之基板處理裝置、元件製造方法及光罩。本發明之基板處理裝置，具備於該照明區域以沿著以既定曲率彎曲成圓筒面狀之第1面之方式支承該光罩之圖案的光罩支承構件、於該投影區域以沿著既定第2面之方式支承該基板的基板支承構件、以及以該光罩之圖案移動於既定掃描曝光方向之方式使該光罩支承構件旋轉且以該基板移動於該掃描曝光方向之方式使該基板支承構件移動的驅動機構，該光罩支承構件，在設該第1面之直徑為φ、該第1面在與該掃描曝光方向正交之方向之長度為L時，滿足1.3≦L／φ≦3.8。
Patent TW-I700576-B (TW)
Title: Electronic device
Inventor: HUANG YING-YEN
IPC: G06F1/20
Filed: 2019-12-30
Granted: 2020-08-01
Abstract: An electronic device includes a main machine body, a cover and an airbag. The main machine body has an accommodating space and an opening and includes a fan disposed in the accommodating space. The cover is disposed on the opening and a side of the cover is connected to a lateral wall of the main machine body surrounding the opening. The airbag is disposed in the accommodating space orthographically projected below the cover and the cover and communicates with the fan. When the airbag is not filled yet, and the cover covers the opening horizontally. When the fan rotates in a speed greater than a critical speed, the airbag is filled and another side of the cover is lifted such that the cover is located on the main machine body obliquely so as to expose the opening.
Patent TW-I722745-B (TW)
Title: 豆製品的製作方法
Inventor: CHEN Zhen-feng
IPC: B02C9/00
Filed: 2019-12-31
Granted: 2021-03-21
Abstract: 本發明為一種豆製品的製作方法，其包括有氣體清洗、攪碎、分離、灑水及研磨等步驟；本發明在進行攪碎步驟時，係將黃豆攪碎而形成碎豆及豆穀，因此在執行灑水步驟時，本發明不須花費過多的時間，便能使碎豆吸收水分而軟化，避免相關業者需耗費過多的時間浸泡黃豆，藉此使本發明能夠降低製作豆製品的時間，達到提升產能的功效，除此之外，相較於以往的製作方法，本發明也能減少汙水的排放。
Patent TW-I720792-B (TW)
Inventor: HATAKEYAMA JUN
IPC: G03F7/038
Filed: 2020-01-21
Granted: 2021-03-01
Abstract: 本發明之課題係提供於正型光阻材料、負型光阻材料皆為高感度且LWR、CDU小之光阻材料、及使用該光阻材料之圖案形成方法。一種光阻材料，含有：基礎聚合物；及淬滅劑，包含選自下式(A-1)表示之胺化合物及下式(A-2)表示之胺化合物中之至少1種。
Patent TW-I764101-B (TW)
Title: 學習裝置、學習方法、學習資料產生裝置、學習資料產生方法、推論裝置以及推論方法
Inventor: YOSHIMURA GENTA
IPC: G06F17/00
Filed: 2020-02-26
Granted: 2022-05-11
Abstract: 學習裝置(100、100a、100b)，包括：學習用資料取得部(109)，取得1個學習用資料是根據包含時序觀察值的1或複數時序資料中的1個上述時序資料的第1資訊、根據包含至少互不相同的2個預測期間的複數預測期間中的1個預測期間的第2資訊、以及根據預測期間經過後的觀察值的第3資訊的組合之複數學習用資料；以及學習部(110)，以組合學習用資料中的第1資訊與第2資訊的資訊為說明變數，而且以第3資訊為應答變數，利用學習用資料取得部(109)取得的複數學習用資料學習，產生可推論指定的預測期間經過後的推論觀察值之學習完成模型。
Patent TW-I730674-B (TW)
Title: Method and system for predicting pregnancy rate of assisted reproduction technology using artificial intelligence
Inventor: WANG CHENG-WEI
IPC: G16B40/00
Filed: 2020-03-16
Granted: 2021-06-11
Abstract: A method and system for predicting pregnancy rate of assisted reproduction technology using artificial intelligence are provided. The method includes the following steps. Firstly, the host collects case data of a plurality of women from at least one database, removes the case data of the women who have never implanted zygotes, and removes the case data of the women who have simultaneously implanted frozen and fresh embryos. Secondly, the host uses random sampling to divide the case data of the women into a training dataset and a validation dataset. Then, according to the training dataset, the system host uses a plurality of machine learning algorithms to build a plurality of models, respectively, and determine one of the models as a trained prediction mode. Finally, the system host provides a user interface to receive the case data of the woman to be predicted, and uses the trained prediction model to predict the case data of the woman to be predicted, so as to obtain the assisted reproduction pregnancy rate of the woman to be predicted.
Patent TW-I733388-B (TW)
Title: 切削工具的磨損檢測方法以及切削加工裝置
Inventor: YAMAZAKI YUJI
IPC: B23B47/24
Filed: 2020-03-25
Granted: 2021-07-11
Abstract: 對用於切削被切削物（W）的切削工具（7）的磨損進行檢測的方法包括下述步驟：將從感測器（15）輸出的監測訊號的時間波形資料轉換為頻率波形資料，所述感測器（15）對被切削物（W）的切削加工中的切削工具（7）的振動進行檢測；根據頻率波形資料，求出被切削物（W）的切削加工中的加工阻力；以及基於加工阻力來檢測切削工具的磨損。
Patent TW-I721856-B (TW)
Inventor: OCKENFUSS GEORG J
IPC: G01N21/64
Filed: 2013-12-17
Granted: 2021-03-11
Abstract: 本發明提供一種光譜儀組件，其具有包含一堆疊之連續非經圖案化之交替介電層及金屬層之一光學透射濾光器。具有連續金屬層之該光學透射濾光器之角依賴之透射波長偏移較小(例如與多層介電濾光器相比)以促進該光譜儀組件之尺寸減小。
Patent TW-I752471-B (TW)
Inventor: WU TIEN SHU
IPC: G02B1/10
Filed: 2020-04-20
Granted: 2022-01-11
Abstract: A scratch-resistant optical lens device includes a functional layer, a first scratch-resistant protective layer and a second protective layer. The functional layer is provided with a first front side surface on which to provide the first scratch-resistant protective layer and a second rear side surface on which to provide the second protective layer. The scratch-resistant protective layer provides a scratch-resistant protection function or property on the first front side surface of the functional layer while the second protective layer provides a protection function or property on the second rear side surface of the functional layer. The scratch-resistant protection function of the scratch-resistant protective layer has a degree greater than or equal to that of the second protective layer.
Patent TW-I718063-B (TW)
Title: Dental implant
Inventor: WU WEN-YUEN
IPC: A61C8/00
Filed: 2020-05-22
Granted: 2021-02-01
Abstract: The invention provides a dental implant which includes a dental root implant. The dental root implant forms a columnar body, and two ends thereof have a tubular portion and a joint portion, respectively, wherein the tubular portion is provided with a plurality of through holes. A central groove is formed inside the tubular portion and communicates with the through holes, wherein an inner diameter of the central groove tapers from approaching the joint portion to away from the joint portion. The joint portion can be coupled to a dental crown, and the tubular portion can be coupled to a human alveolar bone. The through holes can facilitate an osseointegration of the dental root implant in the alveolar bone.
Patent TW-I770516-B (TW)
Title: Method and computer program product and apparatus for adjusting operating frequencies
Inventor: SHEN CHANG-WEI
IPC: G06F12/06
Filed: 2018-08-21
Granted: 2022-07-11
Abstract: A method for adjusting operating frequencies, performed by a processing unit of a device side, includes: collecting an interface-activity parameter; selecting the minimum frequency from multiple frequencies when the interface-activity parameter indicates that the device side does not need to perform a background operation and the device side enters an idle state; and driving a clock generator to output a clock signal at the selected frequency, thereby enabling a host access interface and/or a flash access interface to operate at a corresponding operating frequency.
Patent TW-I730812-B (TW)
Title: Fingerprint sensing chip module for a smart card and packaging method of the same
Inventor: TSAI CHIEN-WEN
IPC: H01L27/146
Filed: 2020-06-15
Granted: 2021-06-11
Abstract: The present invention relates to a fingerprint sensing chip module. It has a fingerprint chip attached to the flexible substrate with its back side. The sensing array on the active surface of the fingerprint sensing chip is away from the flexible substrate. The sensing array electrically connects to the flexible substrate. The encapsulant covers the fingerprint sensing chip. The present invention is directly arranged on the flexible substrate by the fingerprint sensing chip, and constitutes an independent package to reduce manufacturing time and cost. The distance between the sensing array of the fingerprint sensing chip and the top surface of the encapsulant can be effectively shortened to improve the sensitivity of the fingerprint sensing chip module.
Patent TW-I739496-B (TW)
Title: 加工機主軸之吹氣清潔裝置
Inventor: Dong wen-rong
IPC: B08B5/02
Filed: 2020-07-01
Granted: 2021-09-11
Abstract: 一種加工機主軸之吹氣清潔裝置，尤特指將吹氣閥組應用於加工機主軸，主軸與增壓模組中的增壓活塞設有一吹氣閥組，該吹氣閥組設有一小孔，藉由小孔的液阻原理，使得增壓模組的氣室含有足夠的氣壓做動，同時利用從小孔流出的微量氣體做為主軸吹氣清潔效果，小孔的液阻設計不受彈簧彈性係數及彈簧壽命等限制，具有可確保壽命長、可靠度高及不須保養維護等優點，為其特徵者。
Patent TW-I807200-B (TW)
Title: 無溶劑型可固化組合物、使用其的固化膜、濾色器及顯示裝置
Inventor: KIM DONGJUN
IPC: C08K3/22
Filed: 2020-07-20
Granted: 2023-07-01
Abstract: 本發明公開一種無溶劑型可固化組合物、使用其製造的固化膜、包含固化膜的濾色器以及包含濾色器的顯示裝置，無溶劑型可固化組合物包含：（A）量子點；（B）可聚合單體；以及（C）光漫射劑，光漫射劑具有50奈米至200奈米的初級顆粒直徑及120奈米至250奈米的次級顆粒直徑。含有量子點的無溶劑型可固化組合物可以降低的密度在短時間內再分散同時使量子點的散射效果最大化。因此，可實現包含使用組合物製造的固化膜的濾色器的高亮度及高色彩。
Patent TW-I775122-B (TW)
Inventor: LIN TSAI-CHENG
IPC: G06F12/02
Filed: 2009-07-17
Granted: 2022-08-21
Abstract: 本發明提供一種用來管理一記憶裝置之方法，該記憶裝置包含至少一非揮發性記憶體元件，每一非揮發性記憶體元件包含複數個區塊，該方法包含有：提供至少一局部頁位址鏈結表予該記憶裝置之至少一區塊，其中該局部頁位址鏈結表包含複數個頁的實體頁位址與邏輯頁位址之間的鏈結關係；以及依據該局部頁位址鏈結表建立該記憶裝置之一全域頁位址鏈結表。
Patent TW-I757872-B (TW)
Title: Augmented reality system and augmented reality display method integrated with motion sensor
Inventor: HUANG YUNG-CHENG
IPC: G06F3/048
Filed: 2020-09-16
Granted: 2022-03-11
Abstract: An augmented reality system and an augmented reality display method integrated with motion sensor are provided. The augmented reality system includes a head-mounted-display apparatus and a computing apparatus. The head-mounted-display apparatus includes an image capturing device and a motion sensor. The i
         th environmental frame is captured by the image capturing device, a display position of a virtual object is displayed according to the i
         th environmental frame. A depth distance between a display and the head-mounted-display apparatus is obtained. Motion sensing data of the head-mounted-display apparatus is generated by the motion sensor. Before capturing the (i+1)
         th environmental frame, the display position of the virtual object is adjusted according to the motion sensing data and the depth distance. The virtual object is displayed by the head-mounted-display apparatus according to the adjusted display position. The virtual object is displayed as being anchored to a screen bezel of the display.
Patent TW-I804770-B (TW)
Inventor: TSIATSIS VLASIOS
IPC: H04W12/12
Filed: 2020-11-10
Granted: 2023-06-11
Abstract: A user equipment (“UE”) in a wireless communication network can receive a plurality of signals from a plurality of nodes. The UE can further determine a plurality of radio signal strength measurements. Each radio signal strength measurement can be associated with a signal of the plurality of signals received from the plurality of nodes. The UE can further determine whether there is an indication that a first node of the plurality of nodes may be an imposter node based on the plurality of radio signal strength measurements.
Patent TW-I792119-B (TW)
Title: Imaging device
Inventor: IKEDA TAKAYUKI
IPC: H01L27/146
Filed: 2015-09-14
Granted: 2023-02-11
Abstract: An imaging device which offers an image with high quality and is suitable for high-speed operation is provided. The imaging device includes a first region to an  n -th region ( n  is a natural number of 2 or more and 16 or less) each including a first circuit, a second circuit, a third circuit, and a fourth circuit. The first to third circuits each include a transistor in which silicon is used in an active layer or an active region. The fourth circuit includes a photoelectric conversion element and a transistor in which an oxide semiconductor is used in an active layer. The first circuit includes a region overlapping with the fourth circuit. The third circuit includes a region overlapping with the fourth circuit.
Patent TW-I760052-B (TW)
Inventor: LEE HSIN-YI
IPC: H01L21/28
Filed: 2021-01-07
Granted: 2022-04-01
Abstract: A method includes depositing a first work function tuning layer over a gate dielectric layer using an atomic layer deposition process. The atomic layer deposition process comprises depositing one or more first nitride monolayers; and depositing one or more carbide monolayers over the one or more first nitride monolayers. The method further includes depositing an adhesion layer of the first work function tuning layer; and depositing a conductive material over the adhesion layer.
Patent TW-I794756-B (TW)
Inventor: PUTMAN MATTHEW C
IPC: G06N3/08
Filed: 2021-02-26
Granted: 2023-03-01
Abstract: 本發明揭示一種控制器模仿器，其耦合至使該控制器模仿器暴露於來自外部源之輸入，向一程序模擬器及一深度學習程序提供一或多個控制信號之一介面。作為回應，該程序模擬器模擬提供至該深度學習處理器之回應資料。該深度學習處理器為該一或多個控制信號產生預期回應資料及預期行為模式資料，以及為該模擬回應資料產生實際行為模式資料。執行該模擬回應資料與該預期回應資料以及該實際行為模式資料與該預期行為模式資料之至少一者之比較以判定是否偵測到異常活動。作為偵測異常活動之一結果，執行一或多個操作以解決該異常活動。
Patent TW-I787783-B (TW)
Title: Expansion card fixing device
Inventor: LEE HSIN-HUNG
IPC: G06F1/16
Filed: 2021-04-14
Granted: 2022-12-21
Abstract: An expansion card fixing device includes a fixing shelf, a fixing seat, an adapter board, a plurality of electrical connectors, and an expansion card. The fixing seat is disposed on the fixing shelf, the adapter board is disposed on the fixing seat, a plurality of mating ends of the electrical connectors respectively correspond to a plurality of thru-holes of the fixing shelf, and a plurality of connection ends of the electrical connectors are connected to the adapter board. At least one first connector is disposed on the adapter board, at least one second connector is disposed on the expansion card, the first connector is connected to the second connector, and the fixing seat extends to form at least one fixing board that is configured to fix the expansion card. The electrical connectors are combined to the adapter board and then penetrate through the fixing seat, so that the mating ends of the electrical connectors are in cooperation with a panel opening of a shell, and the fixing shelf is fixed to the shell. Accordingly, the mating ends of the electrical connectors smoothly penetrate through the panel opening of the shell, do not occupy a space of an adjacent expansion card, and do not cause an insulating issue (i.e., short circuit).
Patent TW-I780686-B (TW)
Title: 顯示面板
Inventor: CHOU WEN-CHIEH
IPC: G02F1/1341
Filed: 2021-05-03
Granted: 2022-10-11
Abstract: 本發明提供一種顯示面板，包括一第一基板，具有相鄰設置的一周邊區和一顯示區，該顯示區設置有多個畫素單元；一平坦層，設置於該第一基板並覆蓋該顯示區和該周邊區；一溝槽，設置於該平坦層；一第二基板，與該第一基板相對設置；一框膠，設置於該第一基板與該第二基板之間，且該框膠環繞該顯示區，該框膠包括一重叠區域；其中，該溝槽的位置與該重叠區域的位置相對應，且該溝槽於該第一基板上的投影區域與該重叠區域於該第一基板上的投影區域完全重叠。
Patent TW-I810558-B (TW)
Inventor: Lu chao-chun
IPC: H01L21/70
Filed: 2021-05-07
Granted: 2023-08-01
Abstract: A transistor structure includes a semiconductor substrate, a gate structure, a channel region, and a first conductive region. The semiconductor substrate has a semiconductor surface. The channel region includes a first terminal and a second terminal. The first conductive region is electrically coupled to the first terminal of the channel region, and the first conductive region includes a first metal containing region under the semiconductor surface.
Patent TW-I784516-B (TW)
Title: 足部檢測裝置
Inventor: SU CHING-CHING
IPC: A61B5/107
Filed: 2021-05-13
Granted: 2022-11-21
Abstract: 一種足部檢測裝置，適用於訊號連接一顯示裝置，並包含一殼體單元及一攝像單元。該殼體單元包括一可被掀翻展開而界定出一檢測平面的收納箱。該攝像單元設置在該收納箱中，並可被驅動而穿出該檢測平面，該攝像單元可用以訊號連接所述顯示裝置。使用者可將足部移動至該檢測平面上方，而讓該攝像單元擷取足底之影像，或者驅動該攝像單元穿出該檢測平面以擷取足部之側面或指縫間的影像，並且，該收納箱的設計可將該攝像單元收納其中，具有便於收納與攜帶的優點。
Patent TW-I816172-B (TW)
Title: Fan frame electrical connector structure
Inventor: SUN SUNG-WEI
IPC: H01R13/40
Filed: 2021-08-23
Granted: 2023-09-21
Abstract: A fan frame electrical connector structure is configured for assembling to a motherboard of an electronic device and includes a fan having a frame. The frame is provided with at least one pogo pin connector, which is located at one side of the frame to project into an outer side of the frame. The motherboard of the electronic device is provided at a position corresponding to the pogo pin connector with at least one metal contact, and the pogo pin connector is electrically connected to the metal contact. With the above fan frame electrical connector structure, it is possible to realize automated assembling of the fan to the electronic device motherboard.
Patent TW-I809626-B (TW)
Title: 用於行動通訊的方法及使用者設備
Inventor: HUANG-FU CHIEN-CHUN
IPC: H04W80/10
Filed: 2021-12-28
Granted: 2023-07-21
Abstract: 一種用於行動通訊的方法，包括：由使用者設備從行動通訊網路接收第五代會話管理拒絕訊息，其中所述第五代會話管理拒絕訊息指示並非由於擁塞控制而導致的網路拒絕；將回退計時器與歸屬共用陸地行動網路的單網路切片選擇輔助資訊相關聯；以及阻止所述使用者設備針對與所述回退計時器相關聯的相同歸屬共用陸地行動網路的單網路切片選擇輔助資訊發送第五代會話管理請求訊息。
Patent TW-I799056-B (TW)
Inventor: QIAN JIN
IPC: H02K5/04
Filed: 2022-01-04
Granted: 2023-04-11
Abstract: 一種馬達殼體總成，係包含一軸心及一馬達殼體，該軸心具有一結合端設有一槽部，該馬達殼體具有一透孔供該軸心組接，該透孔的周緣設有一筒部具有一受力之外側面及一內側面對應環繞該軸心的結合端及槽部，透過一外部手段在該外側面施以一外力使該筒部得緊箍該結合端，進而使該筒部的部分內側面擠入該槽部形成一擠壓凸體在該馬達殼體的一頂壁內面的下方與該槽部結合，以使該馬達殼體與該軸心緊固結合不易脫離。
Patent TW-I787051-B (TW)
Title: Bicycle operating device
Inventor: CHANG CHUNG-REN
IPC: B62K23/06
Filed: 2022-01-12
Granted: 2022-12-11
Abstract: A bicycle operating device includes a gear, a transimission mechanism, a brake handle, a first operating assembly and a second operating assembly. The transimission mechanism is disposed on the gear and includes a coiling drum and a mandrel. The brake handle is rotatably assembled with the gear. The first operating assembly is rotatably assembled with the gear to drive the coiling drum pulls a shift cable. The first operating assembly disposed with a first finger fiddling surface. The second operating assembly disposed with a second finger fiddling surface.
Patent TW-I811955-B (TW)
Inventor: YAN JIAN
IPC: A45D40/02
Filed: 2022-01-13
Granted: 2023-08-11
Abstract: A glue-free lipstick case that comprises an A-shell and cam sleeve with no glue in between. The cam sleeve is provided with one or more flexible tabs on its outer surface. The flexible tabs bias in a radially outward direction. The A-shell member fits snugly over the cam sleeve and flexible tabs, such that the outward pressure exerted by the tabs on the inner surface of the cam sleeve helps to ensure that the two members move as one.
Patent TW-I799210-B (TW)
Inventor: ANDERSEN MARTIN FOLMER
IPC: F03D7/04
Filed: 2022-03-28
Granted: 2023-04-11
Abstract: 敘述一種運行風力渦輪機(3a、3b、3c)、尤其是風力發電場(1)之複數台風力渦輪機的方法，此方法包含：藉由風力渦輪機(3a)或風力發電場控制器從風力渦輪機(3a)外部之外部來源(10)接收安全性相關資訊(9、9a)；取決於所接收的資訊，藉由風力渦輪機(3a)或風力發電場控制器啟動安全運行模式，其中外部來源(10)係與風力發電場控制器不同。
Patent TW-I808029-B (TW)
Title: 模組化消能機構
Inventor: CHANG CHYUAN
IPC: E04B1/98
Filed: 2022-10-31
Granted: 2023-07-01
Abstract: 本發明係關於模組化消能機構，係安裝於建築結構物相應構件之間，包含消能組件、連接段及接合端，透過獨特力傳遞機制，將消能機構所受之軸向拉、壓外力轉換為核心板面內彎矩應力，並透過消能斷面最佳化，使消能區達全斷面彎剪降伏，追求韌性最大化。
Patent ZA-200106747-B (ZA)
Title: Flip-top box for cigarettes.
Inventor: FOCKE HEINZ
IPC: B65D5/66
Filed: 2001-08-15
Abstract: Hinge-lid boxes usually comprise a box part (10) and a lid (11) connected in an articulated manner thereto. In the region of a box front wall (15) and lid front wall (19), the box part (10) and lid (11) form transversely directed closure edges, namely a lid closure edge (33) and mating closure edge (34). These closure edges are of V-shaped design with different angles between the associated edge legs (37, 38 and 39, 40, respectively), with the result that a V-shaped or arrowhead-like opening (43) is formed.
Patent ZA-200207559-B (ZA)
Title: The method of chemical recycling polyethylene terephthalate waste.
Inventor: SIREK MILAN
IPC: C07C31/20
Filed: 2002-09-20
Abstract: The proposed method of chemical recycling of polyethylene terephthalate waste to terephthalic acid and ethandiol is based on a continuous series of gradual steps, namely (a) separation of the polyethylene terephthalate component of the input material by its conversion to brittle form through crystallization, grinding and subsequent sifting, followed by (b) continuous two-stage hydrolysis of the polyethylene terephthalate, carried out in the first stage by feeding steam to the polymer melt, and in the second stage, by the reaction of the products of the first stage of hydrolysis with ammonium hydroxide, followed by (c) condensation of terephthalic acid from an aqueous solution of the second-stage hydrolysis products by inorganic acid, and its separation by means of filtration, and finally (d) rectification separation of ethandiol from a solution of the products of the second stage of hydrolysis, after the separation of terephthalic acid.
Patent ZA-200301171-B (ZA)
Title: Process for preparing a substituted imidazopyridine compound.
Inventor: ELMAN BJOERN
IPC: C07D213/82
Filed: 2003-02-12
Abstract: The present invention provides a new process for large-scale preparation of substituted imidazopyridine compound of formula (I) wherein R1 is C1-C6 alkoxy or NH2 group, comprising the step of reacting a compound of formula (2) with a 3-halo-2-butanone compound in cyclohexanone.
Patent ZA-200304798-B (ZA)
Title: Antibiotic coating of porous bodies and method for manufacture thereof and use thereof.
Inventor: KUEHN KLAUS-DIETER
IPC: A61K31/7036
Filed: 2003-06-20
Abstract: Production of an antibiotic coating on a porous article comprises introducing a sparingly water-soluble antibiotic salt (I) into the pores of the article, where (I) is e.g. netilmicin laurate, myristate or dodecylsulfate, sisomicin laurate, myristate or dodecylsulfate, gentamicin laurate or myristate, clindamycin laurate, amikacin laurate, myristate or dodecylsulfate. Production of an antibiotic coating on a porous article comprises introducing a sparingly water-soluble antibiotic salt (I) into the pores of the article, where (I) is netilmicin laurate, netilmicin myristate or netilmicn dodecylsulfate, sisomicin laurate, sisomicin myristate or sisomicin dodecylsulfate, gentamicin laurate or gentamicin myristate, clindamycin laurate, amikacin laurate, amikacin myristate or amikacin dodecylsulfate, kanamycin laurate, kanamycin myristate or kanamycin dodecylsulfate, vancomycin laurate, vancomycin myristate or vancomycin dodecylsulfate, ciprofloxacin laurate or ciprofloxacin myristate or a vancomycin-teicoplanin or clindamycin-teicoplanin salt.